Product Data Sheet Safety Data Sheet Show all documents
Sikasil® Roofing & Plumbing

Sikasil® Roofing & Plumbing

ALCOXY SILICONE SEALANT

Sikasil® Roofing & Plumbing is a one‐component neutral curing silicone sealant suitable for roofing & plumbing applications. It is used as a joint sealant between a variety of substrates.

  • Highest quality, non‐sag
  • Excellent adhesion to a wide range of substrates
  • Highly elastic +/‐25%
  • Excellent UV resistance
  • Non‐corrosive
  • Fast curing
  • Resistance to mould growth
  • Low odour
Where to buy
Product Data Sheet Safety Data Sheet Show all documents

Usage

Sikasil® Roofing & Plumbing is a highly UV resistant silicone rubber, suitable for all roofing and plumbing applications including:
  • Gutters and flashings
  • Metal roofing
  • Lap joints
  • Skylights
  • Air conditioners
  • Vents and ducting
Sikasil® Roofing & Plumbing has excellent elasticity and flexibility, with very strong adhesion to a wide variety of common building surfaces including: Anodised and powder coated aluminium Painted surfaces Pre‐coated metal roofing Ceramic tiles Glazed concrete and clay roofing tiles Sheet metal and flashings Concrete, bricks and terracottaRigid PVC, acrylics, polycarbonatesCopper, brass, galvanised metalMill finish aluminium  

Advantages

  • Highest quality, non‐sag
  • Excellent adhesion to a wide range of substrates
  • Highly elastic +/‐25%
  • Excellent UV resistance
  • Non‐corrosive
  • Fast curing
  • Resistance to mould growth
  • Low odour

Packaging

300ml cartridges, 12 cartridges per box

Colour

Translucent

Product Details

Sustainability / Certifications / Approvals

APPROVALS / STANDARDS

ISO 11600:2002 Class F-25LM. Certified

ISO 11600:2002 Class G-25LM. Compliant

NZ Building Code Compliant

  • B2 Durability: Clauses B2.3.1 (b) 15 years. (c) 5 years
  • E2 External Moisture: Clause E2.3.2
  • E3 Internal Moisture: Clauses E3.3.3, E3.3.4, E3.3.5, E3.3.6
  • F2 Hazardous Building Materials: Clause F2.3.1
Product Information

Chemical Base

Alcoxy

Shelf Life

Eighteen (18) months from date of production when stored as stated.

Storage Conditions

Store in cool, dry conditions in original unopened containers.

Density

~1.02 g/cm3

(DIN51757)
Technical Information

Shore A Hardness

~ 22

(ISO 868)

Tensile Strength

~ 0.70 N/mm2

(ISO 8339)

Elastic Recovery

>90%

Tear Strength

4.6 N/mm

(ISO 34 method C)

Movement Capability

25%

(ISO 11600)

Joint Design

  • The sealant joint width should be designed to accommodate the movement capability of the sealant.
  • In general, minimum joint width should be 6mm.
  • For joints between 6 ‐ 12mm wide, a seal depth of 6mm is recommended.
  • For joints greater than 12mm wide, a width to depth ratio of 2 : 1 is recommended.

Application

Application Information

Curing Rate

1 day ~ 2mm (23°C, 50% r.h.)

Skin Time

~ 25 minutes (23°C, 50% r.h)
Application steps

SUBSTRATE PREPARATION

Surfaces must be clean, dry and free from loose particles, grease and dirt. Degrease surface with Sika® Thinner C if necessary. Allow the surface to dry (i.e. the solvent to fully evaporate) before proceeding

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