Sika | SKU: 880239

SikaSeal Construction Silicone Ultra

£8.01

Colour

Anthracite Black Brown Buff Grey Translucent White

Size

300ml

Product variants

Customer Services

Got a query? Call 0330 055 8210

We're open from 8am to 5pm, Monday to Thursday, and 8am to 4:30pm on Friday.

Delivery and Shipping

Delivery is £12.50 + VAT to UK Mainland. Orders over £100.00 + VAT qualify for free delivery, except for certain products—these will be clearly shown at checkout.

Orders placed by 3pm (stock permitting) are dispatched the same working day on a next working day service (not guaranteed).

Some areas, like Northern Scotland, may take 2–3 working days.

Northern Ireland, Channel Islands and Isle of Man at extra cost – contact us for a quote

We're open:
Mon–Thurs: 8am–5pm
Friday: 8am–4:30pm

Call us: 0330 055 8210

SikaSeal Construction Silicone Ultra – for construction expansion joints & perimeter pointing

SikaSeal® Construction Silicone Ultra is a low-modulus, neutral-cure sealant ensuring long-lasting flexibility and durability. It provides excellent adhesion to most common porous and non-porous substrates without the need for priming. Ideal for both interior and exterior applications, it is particularly suited to construction expansion joints and perimeter sealing around all types of door and window frames. This sealant forms a weather-tight seal with low dirt pickup, accommodates up to ±25 % joint movement and bonds effectively to timber, brick, stone, PVCu, concrete and metal.

Key benefits

Excellent adhesion - adheres to most common surfaces including glass, metals, plastics and wood
Low dirt pick up - important in PVCu work
Excellent flexibility - ±25 %
High resistance to plasticiser migration - may be used over water based and solvent based paints
Excellent external weathering properties
Suitable for use on polycarbonate

Typical applications

Expansion joints to stone, brick, concrete and composite panels
Perimeter pointing around all types of window and door frames
Sealing and as an adhesive onto PVCu, plastic trims and components
Bedding insulated glass units in accordance with relevant clauses of BS8000 Part 7
Construction and dilation joints where stress does not occur until fully cured
Weather sealing and joint sealing to pre-formed panels
Sealing soft metals such as lead, copper and zinc
General glazing sealing and draughtproofing, including repair work over existing sealant
Glass to glass and glass to aluminium sealing
Parapet and roof weather sealing applications

Technical information

Property	Value
Colours	Anthracite, Black, Brown, Buff, Grey, Translucent, White
Pack size	300ml
Shelf life	18 months

Available sizes and packs

Colour	Size	Sold as	Min. order	Code
Anthracite	300ml	Each	12	880239
Black	300ml	Each	12	880254
Brown	300ml	Each	12	880126
Buff	300ml	Each	12	880260
Grey	300ml	Each	12	880244
Translucent	300ml	Each	12	880194
White	300ml	Each	12	880245