Figure 1: All Insulation
Above Roof Deck - The big deal with unvented roof assemblies is to control condensation or moisture accumulation on the underside of the roof sheathing.
Control of condensing surface temperatures typically involves the installation of insulating sheathing
above the roof deck.
Figure 2: Rigid insulation used to control condensing surface temperatures — rigid insulation installed
above roof deck; ratio of R - value between rigid insulation and batt insulation is climate dependent
Where rigid insulation is installed
above the roof deck, condensing surface temperatures are said to be controlled.
This can be accomplished either because of the local climate or as a result of design - principally through the use of rigid insulation installed
above the roof deck.
The two layers of rigid insulation
above the roof deck control the temperature of the condensing surface — and even better — meet the prescriptive requirements of the Model Codes for unvented roof assemblies.
The most public aspect of the renovation comprises a perforated aluminum canopy that floats 23 feet
above the roof deck, providing shelter from the elements and framing site - specific art installations on the parapet.
Not exact matches
Trunk space in the TT convertible is
above average, and since the folded soft top rests on the back
deck, cargo capacity isn't compromised when the
roof is open.
Both are installed flush to the
roof deck or on a curb raised slightly
above it.
The
decked roof above is perfect for either sunbathing, yoga or casual hangouts.
All hostels have a communal kitchen and most have some sort of chill - out area, be it a TV room, bar,
roof deck, pool — or all the
above and more if it's a good one!
But over the years, the Caves Branch jungle lodge has evolved from extremely rustic Jungle River Camp with outhouses and bathing in the river to our most recent 5 Star Luxury Tree Houses with
roof top
decks and hot tubs to relax under the stars
above.
On the floor
above the Restaurant there is an additional 1,100 sq. ft. with open
roof top
deck if tenant requires more space with Open Air Dining experience as well as Sea and Harbor Views.
On the south side, a unique
roof hatch set flush with the
deck opens to reveal a glass door at the base of the stairwell which provides additional light and access from the
deck above down to the play space.
It vents water vapor that migrates into the stone wool — mineral wool layer
above the OSB structural
roof deck.
Photograph 1 (
above left): Original
Roof — Uninsulated rafter framing with board roof d
Roof — Uninsulated rafter framing with board
roof d
roof deck.
U-value: 0.13 Flat
roof: flat
roof membrane
above 100 mm PIR over 18 mm OSB3
deck, then Crown Rafter Roll 32 and rest of build up as per pitched
roof.