Roof felt 2 nail 2 layers tu 35 or malarkey modified sheets.
Underlayment for slate roofing.
The underlayment also has a slip proof polymer to the bottom.
The underlayment roll is comfortable to sit on the roof floors and walls or anywhere you need it.
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.
Some should not be left exposed longer than 30.
Two different underlayment suggestions very confusing.
Grace ice water shield 36 in x 75 ft 200 sq ft rubber roof underlayment.
First layer of waterproofing and will provide extra protection for leaks should slates become damaged missing over time or poor installation.
Any professional can measure and nail it all over the surface within a few hours.
Also the textured fabric lets steep sloppy walkability.
1 re felt with 2 layers of sbs 40 lb.
Regardless of what type of underlayment you settle on i hope that your slates will be installed on skip sheathing above the roofing underlayment.
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.
Some key functions of a roof underlayment.
Item 169827 model 5003002.
Assist in fire resistance rating of a slate roof as class a.
The underlayment on a slate roof is often misunderstood.