Superior mould and mildew resistance with BioBlock technology
Highly elastic and waterproof seal
Accommodates up to 25% structural movement
Solvent-free formulation for a healthier environment
Excellent adhesion to non-porous surfaces
UV resistant for long-lasting colour and performance
Available at
£ 8.27
Delivery
3 days
/
£ 7.80
£ 14.28
Delivery
See provider
/
£ 4.49
£ 12.06
Delivery
4 days
/
£ 4.99
£ 12.95
Delivery
See provider
/
£ 0.00
£ 14.98
Delivery
See provider
/
£ 0.00
Description
The Mapei Mapesil AC 112 is a 310ml silicone sealant in Medium Grey, designed for professional and DIY use. This solvent-free, acetic-curing sealant features BioBlock technology for superior mould and mildew resistance, making it ideal for bathrooms, kitchens, and wet areas. It offers excellent adhesion to non-porous surfaces and creates a highly elastic, waterproof seal capable of accommodating up to 25% structural movement. The sealant is UV resistant, maintaining its colour and performance over time. Its flexibility and elasticity help prevent cracking and breaking, while the easy-to-use cartridge ensures precise application for sealing, filling gaps, and bonding various surfaces. Suitable for interior and exterior wall and floor coverings, it provides lasting protection against leaks and moisture damage.
FAQ
BioBlock technology provides maximum resistance against mold and mildew.
This silicone sealant can accommodate up to 25% structural movement.
Yes, it is specifically formulated for use in wet areas, providing superior resistance to water and humidity.
It is an acetic-crosslinking silicone sealant.
The cartridge contains 310ml of sealant.
silicone
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4.6 / 5 (20,522)
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Available at
£ 7.59
£ 8.99
£ 8.09
£ 10.00
£ 11.00
Brand
Unibond
Model
2079356
Colour
White
Size
274g
Advantages
Anti mould sealant - Once dry, the UniBond sealant forms a permanently flexible, mould resistant & waterproof sealant, ensuring strong seals and preventing mould growth.
Specially formulated - The formula of this shower sealant is ideal for warm and humid environments such as bathrooms, kitchens and other tiled areas or surfaces.
High adhesion - Create a perfect and long-lasting seal with this durable, high-strength kitchen sealant. Ensure a mould free finish with regular cleaning of the sealant.
2
Result
Result
Good
05 / 2026
Model
Silicon SEALANT Clear Tube 70G
Customer reviews
4.4 / 5 (7,122)
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Amazon
Available at
£ 4.19
£ 4.25
£ 6.99
£ 6.99
£ 9.37
Brand
151
Model
1xSilicone
Colour
Clear
Size
Advantages
3
Result
Result
Good
05 / 2026
Model
Silicon SEALANT White Tube 70G
Customer reviews
4.3 / 5 (3,418)
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Amazon
Available at
£ 3.50
£ 3.99
£ 4.09
£ 4.97
Brand
151
Model
4xSiliconeWhite
Colour
White
Size
Advantages
4
Result
Result
Good
05 / 2026
Model
Everbuild General Purpose Silicone Sealant – Waterproof – Suitable for Interior and Exterior Use – Clear – 280ml
Customer reviews
4.5 / 5 (7,432)
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Amazon
Available at
£ 1.94
£ 2.58
£ 2.99
£ 3.59
£ 3.59
Brand
Everbuild
Model
EVBGPSCL
Colour
Clear
Size
280ml
Advantages
WATERPROOF SEAL Provides a strong waterproof seal in kitchens and bathrooms around sinks, showers, baths, toilets, work surfaces, and laminates.
ANTI-FUNGAL Includes anti-fungal ingredients for mould prevention in high-humidity areas like bathrooms and kitchens.
VERSATILE This adaptable sealant can be used as an adhesive to secure PVCu trims, cladding, and panels.
5
Result
Result
Good
05 / 2026
Model
Everbuild Everflex 500 Bath And Sanitary Silicone – Interior And Exterior Application – Anti-Fungal – Quick Curing – White – 295ml Cartridge
Customer reviews
4.5 / 5 (10,551)
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Amazon
Available at
£ 2.87
£ 4.79
£ 4.79
£ 6.96
£ 5.87
Brand
Sika
Model
EVB500WH
Colour
White
Size
295 ml
Advantages
IDEAL FOR BATH AND SANITARY WARE Formulated for bathroom applications, showers, toilets and kitchens, this sealant is certified for use in high-humidity areas where sanitation is key.
HIGHLY FLEXIBLE Adapts to expanding materials from temperature changes and remains permanently flexible over time.
PROTECTS AGAINST MOULD FORMATION Contains a powerful anti-mould formulation that inhibits its growth to deliver a long-lasting, clean look.
6
Result
Result
Satisfactory
05 / 2026
Model
Everbuild General Purpose Silicone Sealant – Waterproof – Suitable for Interior and Exterior Use – White – 280ml
Customer reviews
4.5 / 5 (7,828)
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Amazon
Available at
£ 1.94
£ 2.72
£ 3.59
£ 3.59
£ 3.59
Brand
Sika
Model
25GPSWE
Colour
White
Size
Advantages
7
Result
Result
Satisfactory
05 / 2026
Model
12X Everbuild General Purpose White Silicone Sealant Anti Fungal
Customer reviews
4.7 / 5 (404)
Check price
Amazon
Available at
£ 28.98
£ 37.01
Brand
Everbuild
Model
EVBGPSWEX12
Colour
White
Size
Advantages
Permanently flexible
Anti-fungal formula
Quick curing - low dirt pick up
8
Result
Result
Satisfactory
05 / 2026
Model
12X Everbuild General Purpose Clear Silicone Sealant Anti Fungal
Customer reviews
4.7 / 5 (420)
Check price
Amazon
Available at
£ 24.85
£ 35.61
Brand
Everbuild
Model
EVBGPSCLX12
Colour
—
Size
Advantages
Permanently flexible
Anti-fungal formula
Quick curing - low dirt pick up
9
Result
Result
Satisfactory
05 / 2026
Model
Everbuild General Purpose Silicone Sealant – Waterproof – Suitable for Interior and Exterior Use – Black – 280ml
Bath & Kitchen Application Perfect for sealing joints in bathrooms, kitchens, and wet rooms, this sanitary sealant works well on tiles, ceramic and more
Long-lasting durability This bathroom sealant resists cleaning agents and is mould resistant, ensuring a durable seal for showers, sinks, and wet areas
Mould resistant This Unibond sealant has a formula that resists mould growth, for long-lasting hygiene and a pristine finish in your kitchen or bathroom
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