Structural Silicone Sealant
Structural silicone sealants bond glazing and panels in curtain wall and structural glazing systems. The manufacturer's JL990 is described as a top grade, one part, structural, neutral cure silicone adhesive for construction, with curtain wall structural glazing among its listed applications.
Structural glazing is a project-engineered application: movement capability, adhesion to the exact substrates and any project approvals must be confirmed for your system before ordering. Nothing on this page claims a project approval.
Products in this range
The products below are described in the manufacturer's own words. Specifications beyond what is quoted here are not stated on this site; confirm any technical requirement for your application before ordering.
JL990 STRUCTURAL NEUTRAL SILICONE SEALANT
Manufacturer description: JL990 is a top grade, one part, structural, neutral cure silicone adhesive for construction.
Listed details: Typical Colors Gray, Black
Features listed by the manufacturer:
- Features Weather sealing
- Excellent mechanical properties 25HM
Applications listed by the manufacturer: Curtain wall structural glazing construction component secondary seal of IG
Confirm colour, pack size and availability for this exact code before ordering.
JL998 STRUCTURAL SILICONE SEALANT
Manufacturer description: JL998 is a two part, structral capability, neutral cure silicone with perfect adhesion to glass and metal substrates speccial for curtain walls and insulating glass units.
Listed details: Typical Colors Part A: White
Features listed by the manufacturer:
- Features With up to +/- 25% movement capability
- UV resistance
- Low VOC
Applications listed by the manufacturer: Structural glazing and curtainwall production Secondary sealant for insulating glass units
Confirm colour, pack size and availability for this exact code before ordering.
Related products in the same family
Other products in this family, described in the manufacturer's own words:
JL621 KITCHEN & BATH NEUTRAL SILICONE SEALANT
Manufacturer description: JL621 is neutral silicone, high performance for kitchen and bath.
Listed details: Typical Colors White
Features listed by the manufacturer:
- Features Excellent waterproof
- Mildewproof
- Flexible
- Low odor
Applications listed by the manufacturer: Kitchen & bath room flower house and balcony
Confirm colour, pack size and availability for this exact code before ordering.
JL800 PREMIUM WEATHERPROOF SILICONE SEALANT
Manufacturer description: JL800 is a premium grade,weathering, high modulus +/- 25% movement, neutral cure silicone sealant for construction.
Listed details: Typical Colors White, Clear, Black, Gray, Brown, etc
Features listed by the manufacturer:
- Features Low Odor
- Improved oil resistance
- High movement ability 25HM
Applications listed by the manufacturer: Glazing and weather sealing Jointment in curtain wall Aluminum composite panel Building facades
Confirm colour, pack size and availability for this exact code before ordering.
JL180 NON-STAINING STONE SILICONE SEALANT
Manufacturer description: JL180 is a high modulus +/- 25% movement, non-staining, neutral cure silicone sealant for stone sealing.
Listed details: Typical Colors Black, White, Gray
Features listed by the manufacturer:
- Features UV resistance
- Unprimed adhesion to masonry & concrete
- None corrosive to substrates
Applications listed by the manufacturer: Marble natural stone granite and masonry
Confirm colour, pack size and availability for this exact code before ordering.
JL719 ROOF & GUTTER WEATHERING SILICONE SEALANT
Manufacturer description: JL719 is a weathering, high strength, neutral cure silicone sealant/adhesives for roof and gutter.
Listed details: Typical Colors Black, White, Gray
Features listed by the manufacturer:
- Features UV resistance
- Waterproof
- Low odor
- Weatherproof
Applications listed by the manufacturer: PVC & Metal roofs most gutters and cement sheeting
Confirm colour, pack size and availability for this exact code before ordering.
Questions to confirm for your order
- Confirm the exact product code, colour and pack size for your order.
- Confirm the minimum order quantity and lead time for your quantity.
- Confirm which documents you need with the shipment. Certificates available upon request.
- Confirm suitability for your substrate and application in writing before ordering.
Frequently asked questions
Which product code should I choose?
For structural silicone sealant, the code matters more than the generic type: colour, pack size and published description differ by code. Compare the quoted descriptions on this page, then confirm your shortlist by inquiry.
What colours and pack sizes are available?
Colours and pack sizes are stated per product code in the manufacturer's listings where published. Where they are not stated, ask for them in your inquiry before ordering.
Can I get a sample before a bulk order?
Ask about samples in your inquiry, together with the product code, colour and quantity you need. Samples let you check colour, adhesion and handling on your own substrates before committing to volume.
Related pages
Confirm before you order
Before ordering, ask about the following for the exact product you need: product code and colour, pack size, minimum order quantity, lead time, and the documents you need with the shipment. Certificates available upon request. Email [email protected] to ask whether your requested products and documents are available.