Slate Roof Section

Also slate is slippery when wet.

Slate roof section.

But if the flashing rusts through or a piece comes loose water will run right behind it and into the house it goes. Waterproofing a flat roof. The upper part of the ladder will lie flat against the. James river slate company inc.

Step flashing is used along walls that intersect the roof. Vermont structural slate company inc. Fish mouths at the edge of the fabric signalize improper coverage of the reinforcement mat at the overlapping section. Spanish slate quarries uk ltd 301 elveden road park royal london nw10 7ss united kingdom.

All such errors must be noted and corrected at the time of the inspection. Roof jacks nail to the roof deck to create a. Section 07315 slate shingles 1 1 qualifications the contractor shall provide qualified workers trained and experienced in installing slate roofing systems of this configuration and shall submit documentation of 3 years of work of this type. The success of any flat roof waterproofing project is always dependent on the correct application.

Cad drawings and further information about designing your roof. Rusted flashing needs to be replaced. 44 0 20 8961 7725. The contractor shall be familiar with and shall perform work in a.

Headlap these days is normally between 75 and 100mm 3 to 4 side lap side lap bond or half bond is where one slate overlaps another as one course goes on top of the other a slate is placed straddling the two. Aslate ripper is a long sword like tool that removes a slate from the roof without having to remove overlying slates even after the slate has been nailed in place. And although artificial slate costs less than natural slate the total initial cost of an artificial slate roof is only marginally less than a natural slate roof. Headlap can also be specified by weather conditions please see the roof pitch and slate choice section on this page.

This is because all the other costs associated with replacing a slate roof such as the cost of labor flashings and tearingoff the old roof are equal in both cases. Often the damage is hidden under overlapping slate courses and becomes apparent only when the roof starts to leak. Each short section of flashing channels water over the shingle downhill from it.