Verified by manufacturer 6 months ago
MJ4 - 4 mm movement joint bead
Polyvinyl chloride (PVC) movement joints/ expansion joint beads for rendering and plastering to allow mechanical and thermal movement.
Designed to be applied horizontally or vertically on all standard rendering applications, external wall insulation systems, and timber framing systems. Designed to prevent cracking to render through thermal expansion and compression. Must be used over a structural movement joint once settling is complete.
For standard render, a movement joint must be used every 6 running metres, or every 25 m². For next generation renders, a movement joint must be used every 40 m².
Polyvinyl chloride (PVC) movement joints/ expansion joint beads for rendering and plastering.
Features and benefits:
Performance/ Approvals:
Color | Blue Brown White Green Grey |
Finish | Matt |
Material | Polyvinyl chloride (PVC) |
Shape | Other Guidance for specification option: M-shape profile. |
Length | 2500 mm |
Width | 57 mm |
Height | 4 mm 6 mm 10 mm 15 mm 20 mm |
Warranty description | 25 year |
Uniclass | |
CAWS | M20/110 Cement:lime:sand M20/120 Cement:lime:sand roughcast (harling) M20/130 Cement:sand (air entrained) M20/140 Cement:sand (air entrained) substrates M20/160 Proprietary cement gauged render M20/200 Gypsum plaster on cement gauged undercoats M20/210 Lightweight gypsum plaster M20/220 Multicoat proprietary plaster M20/240 One coat proprietary plaster M20/250 X-ray plaster M20/280 Gypsum plaster skim coat on plasterboard M20/310 Lime:sand M20/320 Lime:sand roughcast (harling) M20/330 Proprietary lime:sand M20/650 Movement joints |
Colour | White. |
To suit render or plaster depth of | 4–6 mm. |
Fixings | Embed in a continuous line of render. Mechanical fixings can be used temporarily if required until the beads are set. |
Chemical resistance | Manufacturer's standard. Manufacturer guidance
|
Fire performance | Class 1Y. Combustible within fire source, self-extinguishing upon removal of flame, will not contribute to the combustion of the system. |
Mechanical joints | +/- 2.5 mm. |
NominalSize | 4 mm. |
Curve radius | 1 m. |
Contains Red List materials | No |
Country of material origin | United Kingdom Guidance for specification option: And Europe. |
Country of product manufacture | United Kingdom |
Material | Polyvinyl chloride (PVC) |
Embodied carbonA1-A3 (production stage) as defined in BS EN 15804 | 0.01 kg CO₂ eq/kg Self declared |
Recyclability | 100% |
Recycled contentAs defined in clause 7.8 of BS EN ISO 14021 | 90 % Guidance for specification option: 90% for the largest profile to 60% for the smallest profile. |
NBS BIM Object Standard
This BIM object has been authored to meet the requirements of the NBS BIM Object Standard.
Find out more about the NBS BIM Object Standard.
Platform | Compatible | Version |
---|---|---|
- | 1 | |
- | 1 |