Bond It
⏳Price
$36.99
Everbuild Opti-Mix 3 in 1 Render Additive – Waterproofing Agent – Super Concentrated – Easy To Use – Yellow – 1 Litre
★★★★★
$36.99
Quantity
1
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About this item
- MULTIPURPOSE ADDITIVE – Once added to your render mix, this mortar admix acts as a plasticiser, open-time extender, waterproofing agent and salt inhibitor.
- IMPROVES WORKABILITY – Works by forming stable air bubbles in your render mix, which improves consistency and flow, making it feel buttery soft.
- BOOST LONGEVITY – Optimix Mortar Plasticiser can help prevent cracking, shrinking, and frost damage, as it improves waterproofing.
- REDUCES SALT PERMEATION – Includes additional ingredients that block micropores in your mortar, thereby reducing water ingress and lessening the chance of efflorescence.
- EXTENDED OPEN TIME – The buttery consistency, improved waterproofing, and more give the admixture better overall workability which includes a prolonged open time for time-consuming applications.
Product details
Customer reviews
What customers say about Bigamart
10 Trustpilot reviews total, with 2 shown at a time.
Trustpilot
★★★★★
Excellent
4.5 average rating
S
Sigalit
🇮🇱 · January 2026
★★★★★
I wrote to Bigamart's customer support and they accompanied the process of reshipping the item until it finally arrived. I felt a genuine effort to solve the problem till it was finally solved.
V
Verified buyer
🇦🇺 · November 2025
★★★★★
The package was here in Australia from England in a few days — so quick! Something was missing and they refunded it straight away. Pretty happy with these guys.
Showing 1–2 of 10 reviews
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