a typical 100 square roof, with two layers of polyiso insulation, can be mechanically attached and the roof fully closed up in five days with an optimum crew. its the simplest and lowest-cost way of applying a heat-welded single-ply system that can practically be installed year-round with warranties of up to 30 years.
mechanically fastened roof is my preferred method, because glue-down is pretty expensive about $40 per square extra just for glue . bottom line your roofer seems to be approaching this correctly, and id do, and have done the same thing. pvc is very good over-time. even very old pvc roofs are easily repairable if needed.
what causes flat roof decks to leak. ponding water leaks. very often you can find ponding water accumulating on these deck roofs. the majority of flat roofing systems existing today cannot sustain constant ponding water, and as a result water enters your house, and destroys your possessions and property.
most of the time, a builder or contractor will opt for the first thing that comes to mind, as a waterproofing choice epdm rubber roof. the problem with using rubber roof material is that it relies on glue to remain watertight, and glue will break down after a number of years, requiring a complete disassembly of the floating deck, repair to the rubber, and then rebuilding the deck on top.
each tile is 2 by 2 feet and weighs 24 pounds. tiles interlock seamlessly and can be installed with a partial or full glue down. 5. style/color options want a rooftop that really pops? sterling roof top tiles 2 inch 90% seven trust colors are the way to go. this flat roof deck flooring is just like the flooring detailed above, except in six
the bids range from; pvc, epdm, asphalt torch down and firestone app torch down and lastly a bid to give some pitch. the bids are ranging as follows. the pitch roof: $64 k, the pvc $32k with no removal, the epdm over the old materail $22k and the torch downs: firestone app at $32 k and an asphalt two layers at $18k both removal of old material.
use white primer for the roof surface to reduce the temperature of the roof deck. keep the membrane in the shade until needed. install the membrane early in the day when the sun is. low on the horizon. use shorter lengths of membrane to limit exposure and setup time. liner is more difficult to remove in hot weather.
b. tectum roof deck should be unloaded and stored on the site on a stacking platform. the platform is to be raised at least six inches from the ground or floor level. the platform needs to be covered with a moisture resistant material before the deck is stacked on the platform. cover the deck with water shedding material and secure.
rubber roofing is glued down, but the reliability of the adhesive may be compromised at freezing temperatures. i would wait for temperature above 30 f to install rubber roof. be realistic - you know that workers don't put out the same quality workmanship in freezing conditions, when all they think about is finishing their job asap. wham bam and done.
double nail down application uses two ring shank nails. this method has been disappearing from the roofing industry. screw down application uses one or two screws depending on the wind speed. these screws can also be upgraded to stainless steel. this method is by far the most frequently used method of installing roof tiles.
to completely waterproof a vinyl deck that has posts, either fasten the posts to the fascia of the building or completely cover surface mounted posts with a waterproof membrane and clad. when fastening metal rails or posts to a vinyl deck surface, all pilot holes should be filled with a sealant before screws are inserted.
for heat-weld application directly to the insulation, the top layer of insulation must be duraboard or durafoam. the surface must be clean, smooth, flat and dry. sbs modified bitumen roofing should not be applied directly to foam plastic insulations, as referenced in nrca bulletin 9.
artificial grass for rooftop decks: things to consider. it is clear that there are many benefits to choosing artificial grass for roof decks, and this option can help expand the usable living space of your home. it is an area that you, your children, your guests, and your pets can enjoy any time of year.
place adhesive/glue on the concretes surface approximately 4 the entire length of section. slowly roll section 1 down on the glued surface. use a water roller and slowly roll the top of the synthetic turf over the glued area. follow these steps for the next 4of glue down until you have reached the end of section 1.
deck above a living space are the same: a reliable roof membrane and details that minimize any damage to the roof from the deck loads. i like rubber roofing for this, combined with a floating deck floor. the rubber roofing ive been using for 15 yearsa glue-down, 60-mil epdm membrane from international diamond systems offers
re: need tips on removing torch down roof material if the existing roof deck is combustible the membrane should not have been torched directly to it but you never know. if the existing membrane is truly a mod-bitumen torch-down system it was probably installed over a single or double base sheet of organic, fiberglass, or polyester asphalt-saturated felt attached by large headed nails.
since theres no adhesives, fixing devices or special tools required, for most homeowners, its a trouble-free, do-it-yourself job that can be typically completed in less than a day. as the existing roof surface deck will normally slope for drainage, with interlocking deck tiles, your new deck will also slope in the same direction.