Bostik EMP Mortar Plasticiser 5L
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Bostik EMP Mortar Plasticiser 5L
(Approx. 3-5 working days)


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Bostik EMP Mortar Plasticiser 5L is a liquid admixture formulated from an aqueous solution of modified, lignin-based surface-active agents. It is designed to improve the plasticity of mortar without the addition of lime, making it suitable for bricklaying, pointing, blockwork, renderings, and backing coats.
The formula works by entraining air into the mix, which reduces grittiness and provides a smoother mortar with improved adhesion to building substrates. It also imparts resistance to the effects of freezing during the setting phase, while minimising cracking and crazing once the mortar has cured. The product is supplied ready to use and complies with the EN934-3 standard for mortar admixtures.
- Ready-to-use liquid admixture that eliminates the requirement for adding lime.
- Entrains air into the mix to reduce grittiness and improve overall workability.
- Provides resistance against freezing effects during the initial setting phase.
- Reduces water content to help minimise cracking and crazing in cured mortar.
- Conforms fully to EN934-3 standards for masonry and rendering admixtures.
| Brand | Evo-Stik |
|---|---|
| Underfloor Heating | No |
- Delivery cost will be calculated at checkout once delivery address has been confirmed
- Delivery lead times are an estimate only
- Delivery drivers will always prioritise safety over convenience when offloading materials
- Bagged products such as cement and plaster cannot be returned once opened
- Jumbo bags cannot be returned once delivered
- All other goods may be returned within 3 months with a proof of purchase provided
- Chargeable pallets may be returned for a full refund
- All online pricing is specific to Northern Ireland only. Pricing for our Isle of Man branch may vary.
Bostik EMP Mortar Plasticiser 5L is a liquid admixture formulated from an aqueous solution of modified, lignin-based surface-active agents. It is designed to improve the plasticity of mortar without the addition of lime, making it suitable for bricklaying, pointing, blockwork, renderings, and backing coats.
The formula works by entraining air into the mix, which reduces grittiness and provides a smoother mortar with improved adhesion to building substrates. It also imparts resistance to the effects of freezing during the setting phase, while minimising cracking and crazing once the mortar has cured. The product is supplied ready to use and complies with the EN934-3 standard for mortar admixtures.
- Ready-to-use liquid admixture that eliminates the requirement for adding lime.
- Entrains air into the mix to reduce grittiness and improve overall workability.
- Provides resistance against freezing effects during the initial setting phase.
- Reduces water content to help minimise cracking and crazing in cured mortar.
- Conforms fully to EN934-3 standards for masonry and rendering admixtures.
| Brand | Evo-Stik |
|---|---|
| Underfloor Heating | No |
- Delivery cost will be calculated at checkout once delivery address has been confirmed
- Delivery lead times are an estimate only
- Delivery drivers will always prioritise safety over convenience when offloading materials
- Bagged products such as cement and plaster cannot be returned once opened
- Jumbo bags cannot be returned once delivered
- All other goods may be returned within 3 months with a proof of purchase provided
- Chargeable pallets may be returned for a full refund
- All online pricing is specific to Northern Ireland only. Pricing for our Isle of Man branch may vary.









