Name: webertherm XP roughcast system (MFD) External Wall Insulation
Brand: Saint-Gobain Weber
SKU: cYYcY4jNGnPJRZBNJ42Wvs

Color

Manufacturer guidance

Available in 23 colours.

Finish

Roughcast

Mineral

Material

Mineral fibre

Uniclass

Ss_25_45_72_28 External wall insulation systemsPrimary

CAWS

M21/20 External wall insulation systems

M21/210 Rendered external wall insulation systems

Classification data
Preparation	Not required. Weber CL150 Fungicidal Masonry Wash. Guidance for specification option: For existing substrates, or where required on new substrates, drench apply CL150 wash and leave for 48 hours, then brush down to remove all moss/ growth.
Insulation	-
Material	MFD. Guidance for specification option: Insulation: Mineral wool insulation is non-combustible and is good at absorbing acoustics where noise pollution may be an issue. Size: 1200 x 600 mm. Thickness: 30–200 mm available. Nominal density: First 15 mm: 160 kg/m³; balance: 100 kg/m³. Thermal conductivity: 0.036 W/m·K. Vapour resistivity: ≥5.9 MN·s/gm. Fire classification: Euroclass A1 when tested to BS EN 13501-1. Fixings: Two required per insulation board.
Adhesive	Guidance for specification option: Required to comply with SWIGA guarantee requirements on all buildings greater than four floors in height above ground level. Consult manufacturer and insert requirements.
Additional mechanical fixings	- Manufacturer guidance Fixings are dependent on wind load and pull out strength, please contact Weber for advice.
Fire barriers and stops	-
Material	MFD.
Fixings	Stainless Steel (At 400 mm centres).
Beads and trims	Render only beads are available in coated galvanised, stainless, coated aluminium or rigid plastic in 3 m and 2.5 m lengths.
Movement joints	-
Form with	- Manufacturer guidance Contact Weber for bespoke details
Render carrier or reinforcement	-
Material	Balanced, open weave, alkaline resistant glass fibre meshcloth.
Mesh size	3.5 x 3.5 mm.
Render	-
Application	Can be hand applied or sprayed.
Material	webertherm M1. Guidance for specification option: - Finishing coat: Factory batched, through-coloured mineral render for a one coat application, incorporating webermesh glassfibre meshcloth. Suitable for scrape texture, dry dash or spray roughcast finishing, coloured and polymer modified, comprising limestone sands, lime, powdered polymer, pigment, cement and graded aggregates.
Decorative finish	webertherm M1 Roughcast.
Colour	- Manufacturer guidance 23 Colours Available
Cavity barriers	Type, thickness, density and compressive strength to be determined by the design team. Guidance for specification option: Consult manufacturer for details.
Sealant joints	Low modulus silicone. Guidance for specification option: Consult manufacturer for details.
Accessories/ Other requirements	Not required. Full system Weber base bead. Guidance for specification option: Aluminium box profile with clip on nosing. Weber frame seal. Guidance for specification option: Can be used as an alternative at windows to provide a mastic free seal with improved aesthetics/ maintenance. Weber pre-coated, pressed aluminium under cill trims. Guidance for specification option: 1.2 mm thick (nominal), size to suit EWI System, if required. Weber pre-coated, pressed aluminium verge trims. Guidance for specification option: 1.2 mm thick (nominal), size to suit EWI System, if required. Weber PVC corner, stop, drip and movement beads. Guidance for specification option: As required.
Density	First 15 mm 160 kg/m³, balance 100 kg/m³.
Thickness range	62–212 mm.
Weight	Standard duty weight: 160 g/m².
Roll size	1 x 50 m.
Fire performance:	A2-s1,d0 when classified in accordance with BS EN 13501-1.