Exterior Flashing Membrane Roof Deck

Standard test method for determining water migration resistance through roof membranes.

Exterior flashing membrane roof deck.

In theory this solves a multitude of flashing problems around windows. While having a roof deck is a great way to increase living entertaining space one of the biggest issues that many homeowners experience is frequent leaks. Although it s a waterproof roofing material it has an extra quality. That means that not only does it act as a roof for the underlying structure it also acts as a deck membrane.

Waterproofing is used in reference to building structures such as basements decks or wet. Technical fact sheet no. Click to enlarge self adhesive flashing tapes are widely used to seal around modern flange type windows. 23 roof to wall and deck to wall flashing home builder s guide to coastal construction page 1 of 3 purpose.

Flashing should be approved corrosion resistant flashing shall be applied shingle fashion in a manner to prevent entry of water into the wall cavity. Complex of many complimentary elements. So whenever wood posts penetrate any deck we re working on we flash them with metal l flashing that can be waterproofed with the deck coating. The flashing shall extend to the surface of the exterior wall finish.

Properly waterproofing a roof deck is often a challenge because the materials used most frequently either epdm rubber or a tar built up material do not offer solid protection against leaks. Exterior sheathing flashing drip edge z flashing 2 z flashing 1 deck board siding gap for drainage foundation wall. Later the posts can be wrapped in weather resistant tyvek or 60 minute building paper then boxed in with wood or plastic post sleeves.