Bevamastic

Application

  • For general use in the formation of low movement joints between a wide variety of common construction materials.
  • For external perimeter sealing between painted timber window and door frames.

Description

A general purpose, polymer reinforced construction sealant.

Features and benefits:

  • Good adhesion to a wide variety of surfaces including plaster, concrete, timber, glass, most metals and brickwork.
  • Good performance in low movement joints, especially timber/ timber or concrete/ concrete.
  • Ready for painting in 3–4 days.
  • A cost effective solution in many general construction joint applications.
  • Non-flammable.

Applications:

  • For general use in the formation of low movement joints between a wide variety of common construction materials.
  • For external perimeter sealing between painted timber window and door frames.

General information

Uniclass 2015

Pr_30_31_76_09 Butyl rubber construction joint sealantsPrimary

CAWS

E40/530 Sealant

F30/610 Movement joints with sealant

H40/785 Sealant jointing

H41/655 Sealant jointing proprietary system

H42/661 Sealant joints

H51/610 Sealant jointing

H51/630 Sealant movement/ Other joints

H92/770 General sealants

L10/810 Sealant joints

L20/80 Sealant joints

L20/820 Sealant joints

N10/460 Sealant

N10/760 Sealant bedding and pointing

N10/80 Sealant

R10/11 Aluminium gutters

R10/360 Sealant for gutters

Specification data - Butyl rubber construction joint sealants

Product Reference

Bevamastic

Standard

Consult manufacturer

Third-party certification

Manufacturer's standard

Type

Mastic

Class

Manufacturer's standard

Colour

Black

Brown

Buff

Grey

White

Standard product features

Technical characteristics:

  • Adhesion: Good (to wood, brick, concrete, glass, blockwork and many metal surfaces).
  • Base technology: Drying oil.
  • Curing system: Reactive to oxygen.
  • Mould resistance: Moderate.
  • Movement accommodation: ±5%.
  • Shrinkage: <4%.
  • Specific gravity: 1.78 g/cm³.
  • Slump: Nil (up to 20 x 10 mm vertical channel).
  • Staining: Nil.
  • Ultraviolet (UV) resistance: Good.
  • Volatile content: <4%.
  • Application temperature range: 5–30°C.
  • Service temperature range: -10°C to +30°C.

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