Joint flashing for fiber cement siding. This article describes repair procedures for cosmetic or functional siding issues that may arise such as loose siding, wind-damaged siding, siding paint or coating failures, and siding gaps, especially gaps at fiber cement siding butt joints Fiber Cement Siding can help prevent water infiltration from damaging your home, but only if you flash the butt joints correctly. How to install a butt joint flashing after wall is finished. Backer Strips. Some sources say The siding is top nailed, slid the flashing up as far as it will go, and then add a dab of caulk to hold the flashing in place, no nails required. As well as spray painting the flashing with a color close in color with the siding. Gecko Gauge Siding Gauges for 5/16 in. The following information is adapted & expanded a bit from Certainteed Corporations installation instructions for the company's fiber cement siding products, as this is the most comprehensive guide we could find for caulking & clearance instructions when installing fiber cement siding. We include sources for back flashing and H flashing that can be retrofitted to leaky or loose Installing fiber cement siding has never been more popular. Link to Lowe's Home Improvement Home Page Lowe's Credit Center Order Status Weekly Ad Lowe's PRO. Jump to Latest 21 - 39 of 39 Posts. Joint flashing shall be at least 3” in width and long enough to extend above the board width a minimum of 1-1/2”. These boards, if installed to the letter, should have flashing at every joint, caulking at every joint or an H strip at every joint. This is a 6” wide piece of weather resistive material to make sure that no water gets through. . As fiber cement usage grows, more contractors and homeowners will want information on getting started with fiber cement on their next project. JointFlash is a safe and economical solution for flashing both fiber cement and wood lap siding. Although the material expands and contracts less than wood, best installation practices still allow for some movement and to respond to shifts in the home. Watch This Old House‘s Tom Silva and Kevin O’Connor demonstrate cutting and Nail placement is key for a long-lasting fiber cement siding project. 3. Shipping charges include a handling fee. If the building siding is otherwise in good condition this option may be appealing. This is a red flag that the installer was not following correct installation JointFlash FCJF Polyethylene 6"x8" Black 100pc. this product can be used on In those days, I was hanging a ton of CertainTeed fiber cement, and he's right---we didn't put anything behind butt joints for many years. 60. No other flashing system is installed easier or quicker. Joined Jun 3, 2012 · 1,652 Posts #23 · Apr 8, How to add butt/field joint flashing to installed hardie plank fiber cement siding The house was build in summer 2006, so likely the builder/siding contractor did a crappy job the house was repainted last year, while I was away and unfortunately the painter/contractor did not care about addressing the issue with the siding. I've done some research and found conflicting information. If a covered area is not available, place pallets on wood A article about the best practice method of installing fiber cement siding, to install flashing at the butt joints of the siding boards, rather than face caulking the butt joints afterwards. Department of Energy's Building Technologies Office. Fortunately, Allura’s made it easier for dealers, contractors, and homeowners to decide how to choose and install Allura’s fiber cement. This is a change as of about two years ago when they recommended caulk and paint. The fact that most butt joints have popped, I’d say no joints were installed correctly and likely incorrect fasteners were used. from panel edges water-resistive barrier*** stud HardiePanel siding Figure 4 Recommendation: When installing Sierra 8 panel, provide a double stud at panel joints to avoid nailing through grooves. 6 / 31) $ 68. In addition, it’s highly rot and insect-resistant, won’t burn and paints beautifully. It's a fiber cement board home that we coated. Is it feasible to install joint flashing into the siding myself (no siding experience)? Has The ProLine Plank Flashing and ProLine Trim Flashing are specifically designed to prevent water penetration at the butt joint and termination joints. The user-friendly polyethylene flashing system is perfect for both residential and commercial siding applications. Every Sashco product is One thing to note about gaps between joints of fiber cement siding is that they are left there on purpose. N. Bearskin Joint Flashing. Install this flashing behind the meeting of two pieces of siding, also known I just purchased a home that has fiber cement siding with the butt joints caulked (the caulk is now failing). • Do not cut fiber cement • Use a polycrystalline diamond-tipped fiber cement blade without proper ventilation. Here’s why: Peel and Stick: Sheets are pre-cut with a stick-it adhesive for the fastest application possible. Siding demands resilience as it’s exposed daily to nature's elements, such as weather, water, fire, pests, and of course, time. ) James Hardie recommends butt-joint flashing paper. I'd guess the same was true for crews hanging Hardie. Where Two Siding Boards Meet. Then install boards over flashing with moderate contact. The install instructions do say that the James Hardie House wrap can be used. Examples of suitable material include painted or siding planks (see Figure 2). This caulk will help to seal all gaps, cracks, joints, corners and edges where the siding meets trim or other surfaces, preventing water from getting behind During the course of any siding installation it will be necessary to install two pieces of siding against each other in a course. 1) Use an appropriate caulking or sealant, 2) Use a typical joint flashing (also known as "H" flashing) or 3) Butt the joints with no flashing or sealant but install a piece of felt or other The last time we used FC siding, we used 3 by 5 step flashing between the joints. It's covered by a 30-year warranty, and is specifically designed to uphold well in difficult exterior environments. This is a red flag that the installer was not following correct installation HardiePanel® Vertical Siding stud furring strip** Batten Joint Figure 1 moderate contact plate keep nails 3/8 in. nkpaintingvt Discussion starter 35 posts · Joined 2015 Add to quote; Only show this user #1 · Jul 6, 2018. 4 mm) wide, 1 in. LP lap siding products require a minimum 3/16” spacing at all butt joints and where siding butts up to trim. Gauges. I'm doing a repaint on cement siding in which the butt joints were all caulked years ago. Welcome to Nichihome Your total exterior solution for residential construction. ” If water makes its way into Read page 1 of our customer reviews for more information on the 6 in. Fiber Cement Siding Installation (1-Set per Package) (4. In fact, James Hardie is the #1 used siding product in America. 4 mm) on overlap NO CAULK FIGURE 1 FIGURE 2 #9. const · Registered. Carbon Steel T-Star Fastening Screw (500-Pieces/Pack) $ 109. Joined Jul Bare aluminum degrades if it comes into contact with fiber cement siding. Explore NIchihome . , 4ml thick, peel and stick plastic sheet for use as a joint flashing behind every butt joint in the siding. Transcript. F. The user-friendly polyethylene flashing system is perfect for both residential and commercial siding I would like to hear some advice on a project that is haunting me. Face down • When using a circular saw or Fiber cement siding maintenance recommendations from Certainteed™, James HardiePlank™ & other sources. So you learn along the way to figure out different ways of doing things for We have developed the ProLine Series of Flashings and teamed up with TAMLYN to introduce a better way to help prevent water intrusion in buildings when using fiber cement siding including hardie ColorPlus Technology. Joint flashing Butt Joint & Horizontal Lap Treatment JUNE 2014 James Hardie does not recommend caulking butt joints or the horizontal overlaps Joint Flashing 6 in. Aluminum flashing needs to be painted. User Friendly. FREE SHIPPING to your location. Butt joints in adjacent courses should be Fiber Cement Siding Gap & Clearance & Caulking Specifications. To start, use a high-quality exterior caulk that's compatible with fiber cement siding. How Do I Stagger Lap Siding? For walls longer than 12 feet, you’ll need to butt additional lengths of siding together. The Good News. Cut Fiber Cement Siding Boards. Skip to main content. (9. One such detail, often overlooked by homeowners, is Bearskin Joint Flashing is a 6 in. Caulking for Fiber Cement Siding. com. • Cut fiber cement outdoors when possible. The wall gets full afternoon sun and is a medium yellow color (Rookwood My house is 6 years old and was built with fiber cement siding. AWE INSPIRING EXTERIORS EXPLORE OUR COMPLETE RESIDENTIAL PORTFOLIO. One of those recommendations deals with properly flashing behind field butt joints. Introducing Bear Skin, the Joint Flashing Sheet that will Change the Siding Game Forever. Cutting fiber cement siding kicks up a lot of unsafe dust, so make sure to do it outdoors while wearing a suitable mask. Another option is to nail the fiber-cement directly to the studs (you may want to check with the fiber-cement manufacturer). If funds are My house has fiber cement siding, and the caulking between the butt joints is showing wear and tear from the weather. 10 3. FBD's patented slip sheets and 2 inch trim pieces ensure that manufacturers’ requirements are met and the siding is protected. 4 Penetrations. Save Share Reply Quote Like. PAINTING: GAF WeatherSide™ Fiber-Cement Siding is already primed. Vertical and Plywood Siding Butt Joint Details. James Hardie's portfolio of exterior products are Engineered for Climate® to endure these challenges. It’s available in many styles and widths, both smooth and wood textured, and you still get the crisp joints and details that’ll make your home’s exterior stand out. Rip a 3/8-inch thick treated wood We bought a house that has fiber cement board siding. This product is 20-year UV-rated and comes in a pack of 50 sheets. Jump to Latest 16K views 8 replies 7 participants last post by Mr Smith Jul 7, 2018. 5mm) min. Joint covers are primed on the outside for easy painting and coated on the inside with an epoxy backer to inhibit corrosion; Aluminum; Joint covers are available in lengths and return lip widths to fit all major brands of hardboard and cement fiber siding, including most profiled 12 in. The ProLine Plank Flashing and ProLine Trim Flashing are specifically designed to prevent water penetration at the butt joint and termination Fiber Cement Joint Flashing. and 16 in. Most contractors will remember to do this, but some of them try to save a buck by cutting squares of building paper for You can make your own fiber cement starter strip by ripping a piece of Hardie® Plank lap siding into 1-1/4-inch strips. shapes; Return Policy Caulking is an important step to ensure that your fiber cement siding installation is water-proof. Building America Solution Center is a resource of the U. No prying required. Economical: JointFlash is competitively priced against most other junction flashing systems, Unless you plan on removing the siding and installing joint flashing, there is no way around regular maintenance on siding butt joints. NOW FIND YOURS. Those joints need to be protected. Shop Bear Skin 50-Pack Joist Flashing in the Siding Tools & Accessories department at Lowe's. I don't know whether or not it's the Hardie brand. Jointflash is lightweight flashing made entirely from carbon black high density polyethylene (HDPE). 6. This article describes steps to protect building siding from water damage, plant damage, weather damage in general, giving clearances as well as sealing & caulking advice. Then you should be • Do not score and snap 4 Refer to the Fiber Cement Installation Manual for details. It is too late for butt-joint flashing for you but I JointFlash FCJF Polyethylene 6"x8" Black 100pc. Where a butt joint is necessary, use a scarf joint sloped down toward the building’s exterior. Delivery to. The easy to use joint flashing sheet that will change the way siding is installed. (Note: If builders are using 12-inch lap siding, this requires them to face nail the panels. I've been filling and re-filling butt-joints for three and a half years now. It is too late for butt-joint flashing for you but I 3. Lightweight: JointFlash is made of high density polyethylene, which results in a convenient and lightweight product. Both ends slide into this connector to hide the board seams. Fastener. Sashco’s high-performance sealants, including Big Stretch ®, Lexel®, and eXact color®, consistently out-perform standard caulking products found in stores. The The Appleton Supply aluminum seam backer plate is used to flash behind fiber cement and SmartSide® siding. It also has natural insulating properties, so many homeowners use it to improve their energy efficiency. Allura installation guidelines recommend blind nailing the panels, where the nail is driven into the board at a 45-degree angle, then the next panel is slid over that spot to obscure the nail. fiber cement. 2-1/4 in. 00 /box. Rather than caulking where two horizontal boards meet, siding manufacturer James Hardie recommends flashing behind the joint. Economical: JointFlash is competitively priced against most other junction flashing systems, JointFlash™ is a safe and economical solution for flashing both fiber cement and wood lap siding. Edge gaps are filled with caulk to prevent water damage and every siding butt joint should have Aluminum Siding Joint Covers for Hardboard Siding. Fiber cement is very stable, but the substrate to which it is attached is not. For example, you can cut a prefinished aluminum trim coil into a square and place it behind the siding joint, where the siding meets with “nominal contact. Some of the vertical seams in the clap board siding were almost 1/4" wide but not deep enough to need backer rod. The Bear Skin is a no-caulk, joint flashing for lap board siding that aids in preventing moisture from penetrating the butt joint. Find a Store Near Me . Prior to painting, ensure that the 7/16 in. (25. This is a butt joint and it Flashing By Design creates flashing specifically for fiber cement siding applications, helping keep cement fiber siding the proper distance from roofs, decks, concrete, and all other problem areas. Avoid horizontal butt joints in vertical siding. By Sam — January 19th, 2024. When it comes to home renovations and ensuring the longevity of your property, understanding the small details can make a big difference. - Each sheet is pre-cut with a stick-it adhesive for the fastest application available - Quick and easy to apply The current edition of the James Hardie manual, along with the International Residential Code (IRC) and Residential Edition of the Florida Building Code (FBC), offers three options for butt joints: Strip of flashing (water Pair the Bear with James Hardie. There is no guarantee on the length of delivery service. The following series of pictures will detail how to make a simple flashing that can be slid up behind the joint Fiber-cement siding combines the strength of cement with the flexibility of wood fibers, resulting in a product that’s more durable and cost-effective than traditional wood varieties. We bought a house that has fiber cement board siding. It’s best to stagger the joints in each successive course to avoid noticeable patterns. Where to buy exterior siding butt joint back-flashing & H-covers for fiberboard siding products Caulked Butt Joints on Cement Siding. Possibly related: CertainTeed fiber cement siding got class-actioned out of existence, which probably led to Hardie's extremely high installation standards. The product should be stored in its original packaging and in a covered area such as a garage to protect the product from the weather. I'm getting estimates and preparing for painting my house's exterior, and some contractors say they will caulk the joints, while others say they won't. When the home was inspected, the inspector recommended filling the gaps in the butt joints on the siding (board-to-board) with caulk. 1 2. Figure 3 Caulk Joint weatherseal all joints where siding abuts wooden trim, masonry, or other projections. 11 Section 4: Fastening Allura® fiber cement siding products must be covered and stored off the ground, on a clean, flat, and level surface. When getting into custom building, you really don't ever do the same thing twice. 015 James Hardie is the largest producer of Fiber Cement siding in the world and has been around for decades with a track record of proven performance that can't be matched. for circular, miter, and table saws. The caulk has failed and water can find its way behind the siding. Just cover the T1-11 with a suitable sheathing wrap, and make sure all your wall flashings (see above) and window flashings are properly integrated with the sheathing wrap and new fiber-cement siding. Improper spacing can cause siding to buckle, a common wood siding installation mistake. Once painted, it looks almost identical to wood. Though fiber cement siding is already moisture-resistant, adding caulk along certain areas can enhance the exterior’s line of defense. BE INSPIRED. With plywood sidings, use a Z flashing at horizontal joints to shed water Nichiha Fiber Cement Products. Joint flashing: James Hardie recommends that a slip sheet (joint flashing) is installed behind each butt joint in the siding. Now the caulk is mostly dried out and there does not react with cement based products. Fiber Cement Lap Siding. (152. Fiber Cement Siding Understanding "Siding H Flashing": Essential Insights for Homeowners . Our Hardie® Zone System helps you select the products appropriate to withstand the climate in your specific area, delivering lasting beauty and reliable James Hardie recommends butt-joint flashing paper. Show transcript. PREMIUM RESIDENTIAL SIDING COLLECTION SAVANNAH SMOOTH LAP SIDING & SIERRA SHAKE SIDING. · Joint flashing: James Hardie recommends that a slip sheet (joint flashing) is installed behind each butt joint in the siding. For 8", 9-1/2", or 12" length boards. Bear Skin is a durable, non-corrosive flashing material used to prevent water and wind-driven rain from infiltrating the butt joints of lap siding. Several fiber cement manufacturers recommend the use of sliding H-flashing at fiber cement butt joints as a siding butt-joint gap repair. Orders are usually processed within 3-4 business days (M-F, excluding holidays) after receipt Fiberglass cement siding is a composite made of Portland cement, silica and wood fiber. Unger. I would check the concealed fastening here. Choose primed wood grain or smooth texture finish, Made of . We caulked them using top quality caulking. The house is 10 years old and in Texas. 1 Like Adding caulk completes and secures the advanced moisture-resistance inherent in fiber cement. Joint Installation Using Flashing (recommended): Attach joint flashing recommended for fiber cement siding and follow manufacturer’s instructions. Reactions: Rio and TAHomeRepairs. Shipping charges are not refundable due to a carrier delay. Per Hardie’s install instructions metal flashing should be used behind butt joints in lap siding. S. “For some LP SmartSide Panel Siding products an alignment groove is provided to aid in the proper spacing of those panels,” says Ojeda. Example 4 shows loose siding and missing flashings at butt joints. Shop Savings Installations 1) Use an appropriate caulking or sealant, 2) Use a typical joint flashing (also known as "H" flashing) or 3) Butt the joints with no flashing or sealant but install a piece of felt or other material behind the joint covering the full vertical joint and also Bear Skin Pad containing 50 sheets of joint flashing used behind the butt joints while hanging fiber cement or other lap board siding. As you can see in the photo above we’ve installed a piece of flashing behind each field butt joint in order to keep water and moisture from getting Learn to do flashing butt joints for fiber siding correctly and get more useful tips for lapping fiber-cement siding. Available in 10 pack or 100 pack, Joint covers give a more seamless look of your hardboard siding. Share — James Hardie Horizontal Flashing. x 12 in. Follow along using the transcript. Quick JointFlash is a safe and economical solution for flashing both fiber cement and wood lap siding. Fender · Registered. I would suspect that the fasteners are over-driven or not hitting studs. The diagram shows proper flashing and clearance between siding and the flashing. 3 Flashing . Caulking fiber cement siding is a bit different from caulking wood or other types D. Lightweight. Safe / No Sharp Edges: Unlike metal flashing or tin shingles, JointFlash is safe, pliable, soft and lacks any sharp edges. If a covered area is not available, place pallets on wood In this first picture we see what a typical siding joint looks like on a home that was sided with cement board siding and there is no flashing behind the butt joints. Tool type. ACCESSORIES: Siding nails, backer strips, and outside corners, which are available from GAF, are recommended for accurate and complete installations.