Tyvek Under Metal Roof

Tyvek protec roofing underlayments feature a unique embossed pattern allowing for better traction and grip while walking on the roof.

Tyvek under metal roof.

This type of underlayment is critical to a quality roof installation. The metal roofing system and its expected service life the climate at the building location roof slope and geometry and ambient conditions temperature relative humidity within the building. I have been asked to advise whether to 1. Each roll covers 1 000 square feet and with 10 squares per roll and 2 inch chalk marks installation is flat and easy.

With a high strength to weight ratio you can use this on sloping roofs with 2 12 or higher ratios. Proper installation under each façade is essential to ensure tyvek provides the maximum level of air infiltration resistance and bulk water holdout. We recommend a polypropylene scrim reinforced underlayment made up of multiple layers. Exterior walls are 1 2 plywood w tyvek housewrap.

Long term in service roof performance can be affected by several important factors including. The lightweight material makes installation easy under roofs made from metal or asphalt shingles. Tyvek protec underlayments are ideal for jobs from renovation to new construction and designed for slopes 2 12 and higher under a variety of roofing materials. Owner wants to install vertical metal siding reverse standing seam rustwall over tyvek house wrap and is concerned about the heat build up melting the tyvek.

Once again this is used on cold roof construction. Tyvek metal roofing underlay is vapour permeable yet water resistant and airtight. Dupont tyvek protec 120 roof underlayment is an engineered synthetic roofing underlayment with industry leading walk ability. Plus you ll enjoy the added benefits of lightweight durability excellent secondary moisture protection and a wrinkle free surface for smoother installations.

Take the tyvek off and start over with a better detail i typically. Make sure the product is designed to be used under metal. Yes dupont tyvek wb can be used under any façade including brick stucco vinyl cedar siding metal and stone. When used in combination with genuine tyvek accessories it can help to reduce condensation improve overall airtightness add thermal efficiency and protect structural integrity.