The insulation used in low slope roof assemblies typically falls into one of the four categories.
Insulation for roofing irregular slopes.
Low slope roofi ng systems and are designed to be used over structural roof decks.
Consisting of acfoam ii or acfoam iii polyiso insulation board and osb or cdx plywood separated with and bonded to 5 individual expanded polystyrene vent spacer strips.
The roof drain with a tapered insulation system sloped at inch per foot and 2 inch minimum at the roof drain will be 14 inches thick at the roof edge.
Low slope roofing assemblies include a wide range of insulation and single ply mem brane attachment methods.
By harry comfort from the november december 2015 issue.
Tapered insulation for low slope roofing.
Whether that foundation is the basement of a building or the insulation.
It is made from.
Acfoam crossvent is a thermally efficient cross ventilated non structural composite roof insulation.
Tapered roof insulation systems are designed to provide a 1 savings vary.
Box out light fixtures.
This presentation will discuss r value differences based on fastener densities and their location within the system.
The garland company for any kind of construction a strong foundation is key.
That thickness has to be accounted for in the wood nailers when developing the roof edge detail as well as in wall flashing heights and curbs.
It is readily available in the two most popular and efficient tapers 1 8 3 18 mm per foot 305 mm 1 and 1 4 6 35 mm per foot 3 18 mm 2.
When correctly installed tapered insulation helps eliminate problems due to ponding water and can extend the longevity of your low slope roofing system.
Two way and four way systems.
In addition the posi slope enterprises system provides full value with factory mitred pieces and packaged for ease of installation.
Or sprayed polyurethane foam spf.
Techni flo engineered ventilation system features a unique design.
Look for water stains on the roof sheathing or damp or moldy spots on attic joists and existing insulation as a clue to where leaks might be.
Atlas offers accessories to promote airflow.
Over structural slope when roof drains are located a great distance away from a sloped roof edge more than 48 it can be more cost effective to use a tapered backwash.
Water is insulation s enemy.
Rigid board insulation rigid board insulation is the most common type of insulation used in low slope commercial roofing.
Dual purpose structural deck and insulating planks.
Often ignored is the effect of fasteners on the overall r value of the system.
The rectangular shaped modules are tapered smooth and true to permit full adhesion to roof insulation or other roof substrates.
A four way tapered insulation system is being installed to create slope toward the drain.
Tapered backwashes can also help reduce the insulation height at the roof edge.
Thermapink tapered roof insulation provides a thermally effi cient moisture resistant positive drainage slope for use under single ply or other types of roofi ng systems.
