SikaSeal® Lead

A LOW MODULUS NEUTRAL CURE SEALANT FOR LEAD

SikaSeal® Lead is a low modulus, neutral cure sealant specifically designed to give exceptional adhesion to soft metals such as lead, brass etc. The product is specially formulated as an alternative to mortaring Lead Flashing and Sheet into Brick, Stone and Concrete.

  • Excellent adhesion to metals and will not corrode soft metals unlike most conventional sealants.
  • Low dirt pick up.
  • Excellent flexibility +/-25 %.
  • Excellent low and high (+150 °C) temperature resistance.
  • Low (<5 %) shrinkage during vulcanisation.
  • May be used over water based and solvent based paints.
  • Excellent external weathering properties.
  • Certified under the harmonized European standard EN 15651 for façade interior, exterior and cold climate applications in compliance with the Construction Product Regulation.                                                 
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Usage

  • As an alternative to mortaring in Lead flashing and sheet into brick, stone and concrete.
  • Suitable as an expansion joint sealant.
  • Weather sealing and joint sealing to pre-formed panels.
  • Sealing soft metals such as lead, copper and zinc.
  • Parapet and roof weather sealing applications.
 

Advantages

  • Excellent adhesion to metals and will not corrode soft metals unlike most conventional sealants.
  • Low dirt pick up.
  • Excellent flexibility +/-25 %.
  • Excellent low and high (+150 °C) temperature resistance.
  • Low (<5 %) shrinkage during vulcanisation.
  • May be used over water based and solvent based paints.
  • Excellent external weathering properties.
  • Certified under the harmonized European standard EN 15651 for façade interior, exterior and cold climate applications in compliance with the Construction Product Regulation.                                                 

Packaging

295 mL cartridge

Product Details

Sustainability / Certifications / Approvals

APPROVALS / STANDARDS

Conforms to ISO 11600 F25 LM and EN 15651-1 Class F25LM CC
Product Information

Shelf Life

12 months from date of manufacture

Storage Conditions

Store in original unopened containers between +5 °C and +25 °C

Density

1.3-1.4 g/cm3
Technical Information

Shore A Hardness

20-30

Tensile Strength

0.6 MPa (ISO 8339 at break)

Shrinkage

<5 % (ISO 10563)

Elastic Recovery

>70 % (ISO 7389)

Movement Capability

+ or -25 % (ISO 9047)

Service Temperature

-50 °C to +150 °C

Joint Design

6 - 40 mm
Maximum depth, 50 % of joint width

Elongation at break

>200 % (ISO 8339)

Application

Application Information

Ambient Air Temperature

+5 °C to +40 °C

Skin Time

30 - 45 mins
Consumption

Consumption

10.5 linear meters as a 6 mm diameter bead
Application steps

SUBSTRATE PREPARATION

The surfaces to be must be clean, dry and free from dust, grease and other contaminants.
Priming is generally not required, although we always advise testing small areas prior to use.

CLEANING OF TOOLS

Uncured sealant white spirit or Sika® Wonder Wipes, cured sealant EVERBUILD® SILICONE EATER.