Tyvek Under Metal Roof

The quality and type of underlayments used on the project in the long term will affect the overall performance of the roof.

Tyvek under metal roof.

Proper installation under each façade is essential to ensure tyvek provides the maximum level of air infiltration resistance and bulk water holdout. Can tyvek be used on roofs. The lightweight material makes installation easy under roofs made from metal or asphalt shingles. Tyvek is proffered under siding with proper flashing due to its high perm rating and it s ability to block air.

Tyvek metal roofing underlay is vapour permeable yet water resistant and airtight. Permeability as i mentioned earlier is not a problem when you have a ridge vent with soffits. Each roll covers 1 000 square feet and with 10 squares per roll and 2 inch chalk marks installation is flat and easy. When used in combination with genuine tyvek accessories it can help to reduce condensation improve overall airtightness add thermal efficiency and protect structural integrity.

It is ideal for slopes 2 12 or higher and can be used under a variety of roofing materials including asphalt shingles cedar or metal roof cladding. Dupont tyvek metal is a breathable fire retardant self supporting r2 synthetic roof underlay dupont tyvek metal consists of dupont tyvek supro combined with an 8mm drainage mat to maintain a separation layer between the roof cladding and the underlay it is made by bonding a polypropylene drainage mat to a two. Selecting the right underlayments for a lifetime metal roof should be a primary concern for anyone thinking about specifying or choosing to install a metal roof on their home. Use for repair re roofing and new construction applications 160 48 last update on 2020 09 26 at 04 01 affiliate links images from amazon product advertising api.

With a high strength to weight ratio you can use this on sloping roofs with 2 12 or higher ratios. Felt is proffered on a roof because you could walk in it and it sticks nicely to shingles.