Due to the ridge, the 3" tyvek tape works best. Separated from flues, chimneys and fireplaces in accordance with the requirements of NZBC for the protection of ... For horizontal laps, ensure there is a minimum of 150mm overlap; and for vertical laps, ensure minimum of 150mm lap enough below the rough opening to overlap the sill plate or the DuPont™ Tyvek® WRB below. interface, it is recommended to seal or skip-seal the Tyvek® WRB at the bottom of the wall. Percent Changes for Average Load cells for 5-Year Real-Time Aging are ~4-7%, which overlap with the ranges for all previous study periods, including 3-Year Real-Time Aging (~6-7%), 1-Year Real- 9. While this does not prevent water that gets past a bad tape joint from getting into the structure, it … Place the housewrap roll horizontally and roll out the first course evenly, covering rough window and door openings. Printed stud marks are available on some DuPont™ Tyvek® WRBs to aid in aligning with the studs. This can be achieved by sealing all laps, penetrations and around the perimeter of a Tyvek ® membrane with adhesive tape. Use portable scaffolding, not a ladder, when covering Tyvek over high areas. Most also require or recommend 1 in. Certificate No. Lap Tyvek® Protec™ 8" (min) onto walls. Line roof valleys with a sheet of Tyvek® Protec™ prior to installing horizontal courses of Tyvek® Protec™. Make sure to cover the entire wall surface thoroughly, or air and water protection could be significantly reduced. This installation is not permitted for DuPont™ Tyvek® CommercialWrap® D. SteP 2 DuPont™ Tyvek® should overlap through-wall flashing* by a minimum of 6”. The IRC requires asphalt felt to be minimum 14 pounds per square (ASTM D226), overlapped a minimum of 6 inches at vertical joints and 2 inches at horizontal laps. When starting at a corner, overlap by a minimum of 12". 7. DuPont™ Tyvek® Water-Resistive Barriers Installation Guidelines Tilt Wall Instructions Step 1 Unroll and secure DuPont™ Tyvek® WRB over the wall section. DuPont Tyvek HomeWrap gives you the added benefit of helping to protect your walls from water and moisture. How many rolls of DuPont Tyvek HomeWrap are required for a typical two-story house? For a typical two story, 2500 square foot house, the general rule of thumb is two rolls of DuPont Tyvek size 9' x 150' should be adequate to wrap the house. What is Tyvek ®. DuPont™ Tyvek®StuccoWrap™and DuPont Tyvek®DrainWrap™must be installed with drainage grooves vertical, going up and down. No surface preparation is needed for the installation of DuPont™ Tyvek®WRBs. 4. 4. This is a UV resistant eaves sheet such as Tyvek® Eaves Carrier that replaces the membrane as the ‘drip’ into the gutter. Legacy Tyvek ® styles 1073B and ... and performance requirements. Invisible overlap sealing behind open joint facades; Excellent adhesion and sticks down to -5° C: Easy to install with immediate tack; All weather usage; Even at high humidity; Durable: Long lasting seal DuPont ™ Tyvek ® Housewrap is the ideal breathable membrane for timber frame wall systems and is also suitable for steel frame and concrete wall construction. It is generally accepted as good practice for all roofing underlays to be stopped short of the gutter, overlapping a ‘proprietary eaves protection device’ (BS5534). Overlap all vertical seems by 6-12”. For maximum air leakage It is surface-applied and should be fixed directly to the sheathing ply/OSB, insulation or blockwork. It was quick, but there’s a much better way. Line roof valleys with a sheet of Tyvek® Protec™ prior to installing horizontal courses of Tyvek® Protec™. This airtight, vapour-permeable membrane is extremely water-resistant, and can be used for all supported and unsupported pitched roofs. 4.3 The membrane can be damaged by high winds, careless handling, vandalism or long-term exposure to … Most also require or recommend 1 … As a best practice, TAPE all horizontal seams at band joists, headers and roll overlaps with 2" or 3" DuPont™ Tyvek® Tape. to 12 in. * Seal interface of sheathing and foundation using DuPont™ self-adhered flashing product, overlap DuPont™ Tyvek® WRB onto DuPont™ self-adhered flashing product by a minimum of 1” and The top of the apron should be securely attached to the wall and the bottom of the apron should be left unsecured so it can overlap the DuPont™ Tyvek® WRB which will be installed after the window. • Overlaps, pipe penetrations, roof window junctions and other details can be further secured with Tyvek® Tape. or 6 in. 04/0157 / DuPont Tyvek ® SUPRO Vapour Permeable Roofing Underlays for Pitched Roofs 1.1 ASSESSMENT In the opinion of NSAI Agrément, Tyvek ® SUPRO roof underlays if used in accordance with this Certificate can meet the requirements of the Building Regulations 1997 to … Next, cut the house wrap flush at the top and bottom of the opening, creating two flaps. After the opening is covered, make one cut with your knife straight up and down in the center. When installing windows and doors prior to the Tyvek®WRB, refer to the DuPont Self-Adhered Flashing Products Installation Guidelines, Installation Instructions for Windows and Doors BEFORE Water-Resistive Barrier (WRB) is Installed, which will direct you back to this guide at the appropriate step. In order to do this we need to deflect water away from the structure, & deal with any that does get in, by having a way for it to drain away and to dry out. But a cap stapler is better. All of the seams for the product should be taped according to manufacturer’s instructions. A minimum of a 1" (25.4mm) overlap on the sill plate is required; however, for maximum protection, a 2-4" (51-102 mm) overlap on the sill plate is recommended. Also make sure that the DuPont Tyvek HomeWrap is installed similar to shingles on a roof, so that the water will not run behind the bottom layer. DESCRIPTION Engineered to provide excellent performance as an air and water barrier, Tyvek® structure, overlapping the previous layer of DuPont™ Tyvek® ThermaWrap® R5.0 top sheet by a minimum of 6”. 7. m–2) 68 Roll length (m) 100 Roll width (m) 1.5 Hydrostatic head (m of H 2 Repair any accidental tears, damage or penetrations with DuPont™ Tyvek® Tape. #Can'tSayThatEnough; Fasteners: use a cap nailer because slap staples leak. Plastic-housewrap manufacturers recommend 6 to 12 inches of overlap at vertical seams and 4 inches at horizontal laps, with all joints taped. ®DuPont™ Tyvek ThermaWrap ™ LE must be installed with shiny, metallic side facing towards a clear ¾ inch minimum air space to obtain the installed R-Value benefits. Lap house wrap over the entire top of any step-flashed areas. DuPont™ Insulated Batten Tyvek … Lap DuPont™ Tyvek ® ThermaWrap R5.0 top sheet over all flashing (e.g. STEP 1 UNWRAP roll at corner, leaving 6” to 12” vertical overlap. This brings us to t… and minimum vertical overlaps of 6 in. plastic or metal cap fasteners. Although the vertical (drop it down from the top) installation method is not recommended for DuPont HomeWrap®, ThermaWrap™ LE and CommercialWrap®, it is important to ensure that, if this method is used, the vertical seams overlap by at least 6 inches and are taped with DuPont™ Tyvek® Tape. * STEP 3 UNWRAP roll starting at corner. side facing out. STEP 4 Secure Tyvek® WRB to the stud or other nail-base material, i.e., wood sheathing. DuPont™ Tyvek® Fluid Applied WB+™ UNDER DuPont Exterior Continuous Insulation. 8. A fillet joint of sealant should not be considered a substitute for good workmanship or DPCs. Required Materials Based on Project Requirements, Details, ... DuPont™ Tyvek ... Special attention should be given to ensure a proper 6’’ overlap at all terminations, seams, penetrations, and transitions to maintain a continuous downward drainage plane and air and water barrier. For additional weather protection, apply a 24" wide sheet of Tyvek ® Protec™ across hips and ridges. seCtion 1 exterior Wall drainage requireMents 1 Water-resistive Barrier and drainage requirements as defined by building code. Overlap horizontal joints of wrap by at least 6 inches. Lap the ends of horizontal Tyvek® Protec™ courses over the valley sheet by 6". Refer to the DuPont™ Tyvek ® ThermaWrap™ LE Fact Sheet for more information. Bottom roll edgeshould extend over sill plate interface at least 2" to 3". studmarks are 8” apart for DuPont™ Tyvek® HomeWrap® ) STEP 2 Roll should be plumb. However, a bead of mastic should be used around openings. Damage Any damage that occurs in Tyvek® should be repaired using Tyvek® Tape. MEETS FDA REQUIREMENTS Tyvek® 1059B meets the requirements of Title 21 of the United States Code of Federal Regulations (21 CFR 177.1520) for direct food contact applications (such as food packaging; desiccant, de-oxidizing agent or other “active packaging”; and direct contact labels) where the temperatures do not exceed 212˚F (100˚C). Bob meets with building consultant Steven Easley to learn about Tyvek: what it is, how it works, and how to install it. If you have any queries or project-specific questions, feel free to call our team on 01752 692760 or use the STEP 2 Roll should be plumb. (e.g. Here at Roofing Superstore, we have a number of breathable roof membranes available for your latest roofing project, from Tyvek Supro breather membrane to Cromar’s breathable membrane, TLX breathable pitched roofing felt, Klober Permo and more. While the exterior cladding is great at deflecting water, it isn’t water proof & is a great place for condensation to form. Lap Tyvek® Protec™ 8" (min) onto walls. A unique nonwoven material. Water is the houses biggest enemy & if we expect them to stand the test of time we need our structures to be designed & built properly for the environment. Wrap the flaps inside the building, … Fasteners should be placed no closer ® • ™DuPont Tyvek ® • DuPont™ Tyvek ® • ™DuPont Tyvek Lap the ends of horizontal Tyvek® Protec™ courses over the valley sheet by 6". Most house wrap manufacturer installation instructions have minimum horizontal overlaps of 4-6 inches and minimum vertical overlaps of 6 -12 inches. Yes, the DuPont Tyvek HomeWrap should be overlaid from 6" to 12" and should be seamed up with 3" tape. Tyvek® ThermaWrap™ LE will still act as a water-resistive barrier without an air space. Lightweight and durable, Tyvek ® is breathable, yet resistant to water, abrasion, bacterial penetration and aging, making it ideal for a wide variety of applications across diverse industries. Housewrap manufacturers list their installation requirements in the instructions. Overlap vertical seams 6-12 inches. Tyvek ® Supro, but with integral adhesive lap tape. For maximum air leakage I read through several major housewrap manufacturer installation instructions and most have minimum horizontal overlaps of 4 in. These ™flaps ™allow ®for a DuPont Tyvek®-to-DuPont™ Tyvek seal with adjacent sides. acceptable. 6” overlap and proper shingling of vertical and horizontal seams is required. 2 Water-resistive Barrier as defined by local building code that is manufactured to meet minimum 90% drainage efficiency when tested in accordance with ASTM E2273 or other recognized national standards. Tyvek ® CommercialWrap can be integrated with DuPont self-adhered flashing products and Tyvek® Fluid Applied products to offer seamless protection for wall systems that require mechanically fastened and fluid applied air and water barriers. 4.2 TYVEK StructureGuard meets the NH requirements for sites defined as ‘very severe’ exposure. H. At ridges and hips where ridge vents will not be applied, cross~lap Tyvek ® Protec™ from one roof plane onto the other by 6". Tyvek says you can use 4 staples per 9 feet of house wrap if you tape over them an apply the siding right away. • The overlap at the ridge should be at least 300 mm. step flashing, wall to roof intersections and through wall flashings). DuPont™ Tyvek® Installation Guide for Mechanically Fastened Air & Water Barriers (for Buildings Greater than 4 Stories and High Performance Installations of any Height) DuPont™ Tyvek® Fluid Applied WB+™ Wall and Substrate Guidelines. Tyvek® WRB at Bottom of Wall Overlap DuPont™ Tyvek® WRB onto foundation by a minimum of 1” and seal with DuPont™ self-adhered flashing product. One important distinction between the ZIP System and Tyvek, is that Tyvek HomeWrap is required to have six inches of overlap of the upper layer over the lower in a weather board fashion. be of a proprietary material assessed in accordance with Technical Requirement R3, or 150mm wide DPC material, nailed to the full height of the frame and protrude 25mm into the cavity. Overlap the Tyvek rolls by at least 6 inches (30 cm). 8. Tyvek®CommercialWrap and Tyvek®CommercialWrap®D must be covered within 9 months (270 days) of installation. 6. ™DuPont requires that DuPont™ FlexWrap™, DuPont™ FlexWrap™ EZ, DuPont StraightFlash™, and DuPont VersaFlange be covered within nine months (270 days) of installation. Required Materials Based on Project Requirements, Details, and Specifications* PRODUCT DuPont™ Tyvek® Tape DuPont™ Tyvek® Wrap Cap Fasteners or recommended fastening system DuPont™ Window & Door Foam DuPont™ Residential Sealant, or other recommended sealant DuPont™ Adhesive/Primer Backer Rod Brushes for Surface Preparation J-Roller A Tyvek ® non-ventilated pitched roof system will help to minimise the risk of condensation, but air infiltration and convective heat losses can also be reduced. Leave enough lap to ensure a minimum 6” overlap of the WRB on all sides except top of the wall. masonry should be made with Tyvek® Butyl Tape. Tyvek ® Supro is a durable, water resistant membrane that is reinforced with a laminated polypropylene nonwoven. Overlap vertical joints by at least 6 inches and no more than 12 inches, depending on the severity of the area's weather conditions. Tyvek®. Overlap horizontal seams 6 inches (upper layer over lower layer). 9. Connections to other surfaces eg.
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