The house was built in 1926 and was framed with 2x4s only, so we had to reframe all
the roof joists and ceiling joists because they were all sagging, we reframed every interior wall and put new headers in for all of the windows.
Foundations aren't meant to be submerged in water, and houses don't like standing up with
their roof joists removed.
U-value: 0.13 W / m2K ROOF Before: 200 mm fibreglass wool insulation on the flat between
roof joists.
Outside to inside: metal standing seam roofing, WRB, 1/2» plywood, 2x4 on short side purlins, 5/8» Agepan sheathing, 9.5» I joists filled with cellulose, 1/2» plywood taped for air barrier, 2x12
roof joists filed with cellulose, 5/8» drywall.
Roof joists fixed to load bearing I - joist walls using 18 mm plywood gussets, fixed to webs (gussets also used at roof ridges).
«The explosion shattered windows and sent floor and
roof joists through the walls and roofs of neighbouring homes,» explained one resident of the Dixie Road townhouse complex that was directly impacted by the explosion.
The project is a typically finicky downtown venture: the early - 20th - century structure occupies almost the entire property it sits on, so the materials and heavy equipment have to be shoehorned in via a narrow alleyway or, in the case of massive new
roof joists and pipes, through the roof.
Note that you can clearly see
some roof joist area, and even if it were completely filled it would not be enough to act as both a vapor barrier and proper insulation (assuming a 5.5» joist).
Not exact matches
The
roof heaved, the house rocked and groaned beneath the
joists.
They have tried to go formaldehyde free, but I suspect those manufactured
joists in the
roof are the usual particle board.
(clockwise from top left) the ground floor was excavated and rigid insulation placed around the perimeter to cut thermal bridging here; airtightness taping around
joist ends; new
roof rafters insulated with Icynene spray foam insulation; airtightness detailing to the
roof, with Pro Clima Intello membrane under internal battening.
Roof: 360 mm deep Steico I -
joists at max 400 mm centres with a maximum span 5890 mm.
Walls framed with standard 2» X 4» on 16» center stacked on top of floor
joists for added strength for
roof.
Both the floor and the
roof are framed with 12 - inch I -
joists and insulated with fiberglass.
1 Oscar Baldry getting down to work in the old newsagent's shop; 2 laying Kingspan and Ecotherm insulation in the ground floor of the old shop; 3 first floor metal web
joist detailing, with membrane behind the
joists for airtightness; 4 ground floor walls feature 50 mm Xtratherm internal insulation; 5 this is followed inside by an Intello vapour control barrier and a further 25 mm Xtratherm; 6 the new timber frame first - floor twin - stud walls and
roof rafters are of a fully breathable construction and full - filled with Warmcel cellulose insulation; 7 holes in the timber - frame where the Warmcel insulation was pumped in; 8 a pro clima Intello membrane on the inside of the first - floor walls and
roof; 9 and finally, 50 mm Thermafleece (sheep wool) lined service cavity to the interior.
Roof: Roadstone black concrete roof tiles, on 50X35mm battens, followed underneath by breathable Pro Clima Solitex underlay, attic trusses as designed by Shannonside Engineering fully fitted with 100 Knauf Ecose insulation, fitted between joists with another 150 mm criss crossed over, with a final layer of 100 mm crossed o
Roof: Roadstone black concrete
roof tiles, on 50X35mm battens, followed underneath by breathable Pro Clima Solitex underlay, attic trusses as designed by Shannonside Engineering fully fitted with 100 Knauf Ecose insulation, fitted between joists with another 150 mm criss crossed over, with a final layer of 100 mm crossed o
roof tiles, on 50X35mm battens, followed underneath by breathable Pro Clima Solitex underlay, attic trusses as designed by Shannonside Engineering fully fitted with 100 Knauf Ecose insulation, fitted between
joists with another 150 mm criss crossed over, with a final layer of 100 mm crossed over.
Flat
roof: 50 mm pea gravel finish on Geotextile membrane, on Resitrix EPDM single ply membrane, on 75 mm Dow Roofmate insulation, on 22 mm WBP plywood, on 200 x 50 metal web
joists at 400 centres, with 200 mm mineral wool fitted between metal web over Intello with sealed joints, on 12.5 mm plasterboard and hardwall skim coat.
1 Wolf Easi -
Joists in the
roof for organised installation of services; 2 Windows bracketed externally onto blocks to reduce cold bridging; 3 The walls are externally insulated with 200 mm Xtratherm platinum EPS 100 insulation; 4 EPS brought up into eaves to meet
roof insulation; 5 Airtight parge coat to walls, with Intello membrane to ceiling and battening for the Gypframe ceiling to contain services inside the airtight layer; 6 Cooper Insulation's Wincon unit, which enabled the Linham team to test for obvious air leakage points as they worked.
They are positioned on the first floor of each house and the MVHR inlet and exhaust pass through the
roof, with supply and extract fitting within a compact service void just below the trusses, or within the space of the metal web floor
joists.
Infiltration: Air barrier system is as follows: existing basement slab with two coats of epoxy paint; taped rigid insulation on inside of foundation walls; spray foam at the rim
joist; taped housewrap on above grade walls; fully adhered membrane on existing
roof sheathing; transitions between
roof and above grade walls made by lapping membrane over the housewrap; other transitions made using sealant.
For me it comes down to floor
joist and
roof rafter size.
The lean to
roof includes 225 timber
joists, which were pumped with cellulose insulation; an Ampac Ampatop Protecta membrane & tapes; and a 100 mm service cavity with Sheep Wool Insulation inside the airtight layer
(clockwise from top left) The ground floor features 400 mm Kore EPS insulation under 100 mm reinforced concrete slab; a Siga Majpell vapour control and airtight layer protects the building against excessive moisture penetration; the 45 mm service cavity fulfilled with mineral wool insulation; airtight detailing to prevent the
joist ends causing avoidable infiltration; Ampatop Protecta plus membrane fitted to the
roof; the timber frame structure coming together
Roof: Rheinzink Prepatina graphite grey double standing seam onto 22 mm plywood sheeting, on 44 mm battens fixed through to joists, on Ampatop Protecta plus roof membrane, on 500 mm twin timber stud warm roof fulfilled with Springvale Ecobead Platinum insulation, on Siga Majpell vapour control and airtight layer, on 15 mm OSB class 3 board, on 45 mm service cavity fulfilled with mineral wool insulation, on 12.5 mm plasterboard with 3 mm skim coat fi
Roof: Rheinzink Prepatina graphite grey double standing seam onto 22 mm plywood sheeting, on 44 mm battens fixed through to
joists, on Ampatop Protecta plus
roof membrane, on 500 mm twin timber stud warm roof fulfilled with Springvale Ecobead Platinum insulation, on Siga Majpell vapour control and airtight layer, on 15 mm OSB class 3 board, on 45 mm service cavity fulfilled with mineral wool insulation, on 12.5 mm plasterboard with 3 mm skim coat fi
roof membrane, on 500 mm twin timber stud warm
roof fulfilled with Springvale Ecobead Platinum insulation, on Siga Majpell vapour control and airtight layer, on 15 mm OSB class 3 board, on 45 mm service cavity fulfilled with mineral wool insulation, on 12.5 mm plasterboard with 3 mm skim coat fi
roof fulfilled with Springvale Ecobead Platinum insulation, on Siga Majpell vapour control and airtight layer, on 15 mm OSB class 3 board, on 45 mm service cavity fulfilled with mineral wool insulation, on 12.5 mm plasterboard with 3 mm skim coat finish
Green materials: Earthborn clay paints, re-used floor boards from ground floor to create new attic floor,
roof timbers,
joists and some bricks re-used in house or garden, some second hand furniture and fittings, attempted to minimise building waste.
U-value: 0.12 Flat
roof: Kaliko PVC - P membran on WBP plywood on firing
joist on Ampac's Ampatop Protecta membrane on 500 mm twin
joist 150 mm top and 100 mm bottom.
Roof: Roadstone black concrete Donard roof tiles, on 50X35mm battens, followed underneath by breathable Pro Clima Solitex underlay, attic trusses as designed by Harmony Timber Engineering fully fitted with 200 mm Knauf Ecosse insulation, fitted between joists with another 150 mm criss crossed over, with a final layer of 100 mm crossed o
Roof: Roadstone black concrete Donard
roof tiles, on 50X35mm battens, followed underneath by breathable Pro Clima Solitex underlay, attic trusses as designed by Harmony Timber Engineering fully fitted with 200 mm Knauf Ecosse insulation, fitted between joists with another 150 mm criss crossed over, with a final layer of 100 mm crossed o
roof tiles, on 50X35mm battens, followed underneath by breathable Pro Clima Solitex underlay, attic trusses as designed by Harmony Timber Engineering fully fitted with 200 mm Knauf Ecosse insulation, fitted between
joists with another 150 mm criss crossed over, with a final layer of 100 mm crossed over.
At this shopping center, Butler's Delta
Joist [TM] building and
roof support system, along with its MR - 24 [R] standing seam metal
roof, were combined with WaffleCrete [TM] precast concrete walls in an overall building system created by the center's builder, Lafayette - based Alfred Miller Contracting.
These include Delta
Joist [TM], a unique building and
roof support subsystem that enables Butler's MR - 24 [R] standing seam metal
roof system to be used on load - bearing hardwall construction.
Faced with a tight construction schedule mandated by the occupancy dates for the major leases, Philip Miller, vice president of Alfred Miller Contracting (a Butler Builder [R]-RRB- came up with the solution of applying Butler's
joist and standing - seam metal
roof system with the load - bearing walls comprised of WaffleCrete lightweight, precast concrete panel system.
To keep skylight costs down and avoid having to reframe ceiling
joists and
roof rafters, he advises using designs that fit into a standard
joist space.
«Unlike bar
joists, Delta
Joist can carry both the vertical load imposed by the
roof and the horizontal load that would otherwise require a steel
roof deck to achieve lateral stability.»
Project Description In a style and location appropriate to the existing house, add a 16 - by -25-foot room on a new crawlspace foundation with wood
joist floor framing, wood siding on exterior walls, and fiberglass shingle
roof.
These included very short attic insulation, broken structural
roof trusses,
roof leaks, sliding door leaks,
joist settlement from lack of correct bearing, AC units not being level, missing exterior caulking around windows, and stair railings that were never sanded — to name just a few.
Butler also markets the Delta
Joist building system, which uses concrete walls with an MR - 24
roof.
Old spare
joists from a
roof have been upcycled to create rustic shelves in this dining room.