This is necessary in order to keep the stone wool —
mineral wool from becoming saturated.
Party wall: Plasterboard skim externally followed inside by 25 mm service void if needed, 12 mm Spanotec Durelis board (airtight / vapour block), 18 mm Fermacell board, 97x47mm studs + 60 mm gap + 97x47mm studs (all fully filled
with mineral wool insulation to 254 mm), 18 mm Fermacell board, 12 mm Spanotec Durelis board (airtight / vapour block), 25 mm service void if needed, plasterboard and skim.1 hour fire rating.
It vents water vapor that migrates into the stone wool —
mineral wool layer above the OSB structural roof deck.
Greater rigidity of
mineral wool batts makes this installation mistake less common than with fiberglass batts, but as with fiberglass, care must be taken to cut batts accurately (with a knife or saw) around electrical boxes, etc..
1) cutting and cobbling expanded polystyrene into the rafters, for six inches of eps between the rafters, 2) another 4 - 6 inches of eps under the rafters, and 3) 5 + inches of
mineral wool under that eps.
Figure 1: Perfect Wall Redux — Insulated externally with continuous insulation — stone wool sheathing or
mineral wool sheathing.
A 3.5» exterior, monolithic layer of
ROXUL mineral wool insulation adds R - 14 of insulative value to the assembly, while 5.5» of high density fiberglass insulation brings another R - 23.
Bass Traps with False Tones, 2013, refurbished bass absorber (wood, fiberglass,
mineral wool filling, acrylic paint and fabric), 36 x 24 x 12 inches each.
The process technology used for
manufacturing mineral wool insulation from cullet uses lower energy, when compared with traditional methods.
With a sheet thickness of 0.9 mm it is highly stable and is equipped with a fire -
retarding mineral wool infill, steel reinforcement and 2 steel security bolts.
Up to a quarter of your home's heat escapes via the roof, but you can solve this by
laying mineral wool under the rafters, saving up to # 130 / year.
I believe we made the right decision in choosing Isonat Flex, made of wood fibres,
over mineral wool or cellulose to insulate our low - VOC drywalls.
pEUI: 23kBtu / sf / yr Air Leakage: 1.0 ACH50 Better Than Code: 60 % HERS Rating: 31 Cellulose, Foamglas, and continuous
rigid mineral wool insulation, Triple pane windows, Continuous air barrier, LED lighting, Solar electric system.
It is a 1,224 sf single family residence on a gentle south facing slope in Gualala on the Mendocino Coast, with a two - story 2x8 wood frame with 2» of
exterior mineral wool insulation and corrugated metal siding built over an unconditioned basement with garage.
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.
Those focused on green building often immediately point to the presence of formaldehyde in binders
in mineral wool.
In Alex Wilson's Buildinggreen Guide to Insulation Products and Practices, he writes
about mineral wool:
And that's before making materials selections that could further reduce sound penetration, like insulating
with mineral wool, a naturally soundproof product.
The key to Figure 7 is that there must be an interior perimeter drain and a granular capillary break along the vertical portion — as well as the horizontal portion — of the stone wool and
mineral wool layer.
The
ROXUL mineral wool is hydrophobic, so provides another barrier to water, while the ZIP Sheathing WRB serves as the final barrier.
The roof assemblies employ a combination
of mineral wool and blown in fiberglass insulation.
They are already available on the market in numerous models: some have multiple air - filled chambers, others have larger cavities filled with insulating materials such as pearlite,
mineral wool or polystyrene.
«Replacing plastic and
mineral wool insulation with wood fiber.»
The 10» x 20» box has walls insulated with 8» of
mineral wool, while the glass has a really good metric U-value of 1.1 W / m ² K, which by my rough calculation is around R - 10 in the usual BTUs per hour per square foot.
The next step after installing
the mineral wool installation is to put up a vapor retarder — on the warm side — that also acts as the primary air barrier.
Outside to inside: Open vinyl mesh, 6»
mineral wool, 7.5» cellulose inside existing 2x8 floor joists, 3/4» taped plywood or Henry's Blueskin on top of existing rabbeted fir subfloor for air tightness.
A second layer of OSB sheathing is installed over the top of two layers of 2 - inch stone wool or
mineral wool insulation.
You like stone wool or
mineral wool?
Photograph 3: Furring and Cladding Attachment — You absolutely have to use 1x4 furring screwed through the stone wool or
mineral wool.
Well you absolutely have to use 1x4 furring screwed through the stone wool or
mineral wool.
Figure 4: Foundation Stem Wall — Stone wool or
mineral wool with the right density (greater than 10 lbs / ft3) can be installed under concrete slabs.
Figure 7: Cold Climate Stem Wall — The key to this detail is the interior perimeter drain and a granular capillary break along the vertical portion — as well as the horizontal portion — of the stone wool and
mineral wool layer.
Stone wool or
mineral wool with the right density (greater than 10 lbs / ft3) can be installed under concrete slabs.
Walls: Plasterboard & skim, 35 mm service cavity, Siga airtightness membrane, PUR Tw55, 140 mm stud with
mineral wool, OSB, breather membrane, 50 mm ventilated cavity, outer block rain screen.