Tyvek Under Metal Roof

Tyvek metal roofing underlay is vapour permeable yet water resistant and airtight.

Tyvek under metal roof.

Can tyvek be used on roofs. 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. Felt is proffered on a roof because you could walk in it and it sticks nicely to shingles. Compatible with roofs with asphalt shingles cedar shingles and metal roofs.

Proper installation under each façade is essential to ensure tyvek provides the maximum level of air infiltration resistance and bulk water holdout. Tyvek is proffered under siding with proper flashing due to its high perm rating and it s ability to block air. The lightweight material makes installation easy under roofs made from metal or asphalt shingles. The quality and type of underlayments used on the project in the long term will affect the overall performance of the roof.

When used in combination with genuine tyvek accessories it can help to reduce condensation improve overall airtightness add thermal efficiency and protect structural integrity. Dupont tyvek protec 120 roof underlayment is an engineered synthetic roofing underlayment with industry leading walk ability. 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. Each roll covers 1 000 square feet and with 10 squares per roll and 2 inch chalk marks installation is flat and easy.

Permeability as i mentioned earlier is not a problem when you have a ridge vent with soffits. Yes dupont tyvek wb can be used under any façade including brick stucco vinyl cedar siding metal and stone.