Underlayment For Slate Roofing

Grace ice water shield 36 in x 75 ft 200 sq ft rubber roof underlayment.

Underlayment for slate roofing.

Item 169827 model 5003002. Some key functions of a roof underlayment. Some believe that is is the most important part of the roof when in fact it s the least important. The underlayment roll is comfortable to sit on the roof floors and walls or anywhere you need it.

Some should not be left exposed longer than 30. Protects the roof and building until the slate is installed. For example if your slates are being installed with an exposure of 6 inches and you are installing 1x4 skip sheathing with a width of 3 5 inches then you ll have a gap of 2 5 inches between each course of sheathing. The underlayment on a slate roof is often misunderstood.

I have two roof estimates for underlayment replacement of the entire tile roof which at this time has the builder s original paper from 1989 when i purchased the house new. Any professional can measure and nail it all over the surface within a few hours. Good surface for chalk lines when laying out the courses. Cushions the slate when nailed into the roof deck.

Assist in fire resistance rating of a slate roof as class a. First layer of waterproofing and will provide extra protection for leaks should slates become damaged missing over time or poor installation. Also the textured fabric lets steep sloppy walkability. Two different underlayment suggestions very confusing.

Regardless of what type of underlayment you settle on i hope that your slates will be installed on skip sheathing above the roofing underlayment.