Description
ARBOFLEX® PU Thickener – Additive for Vertical & Sloped Surface Applications
ARBOFLEX® PU Thickener is a specialist additive that increases the viscosity of ARBOFLEX PU Liquid Membrane, helping achieve reliable, consistent application on vertical and sloped surfaces. By reducing sagging while the membrane cures, it supports better adhesion and coverage in detailing areas and gravity-challenging installations.
Ideal for parapet walls, upstands, pitched sections and angled details, ARBOFLEX PU Thickener helps the membrane hold its position without compromising finish or performance.
Key Benefits
- Improves workability on non-horizontal areas: thickens ARBOFLEX PU for vertical/sloped applications.
- Helps prevent sagging: supports a neater finish on walls, upstands and inclines.
- Adjustable dosage: mixing ratio can be tailored to site conditions.
- Simple to integrate: mixes directly into the ARBOFLEX PU container.
- Ideal for detail work: useful around trims, edges, parapets and complex junctions.
Application Method
- Add thickener: pour ARBOFLEX® PU Thickener directly into the ARBOFLEX PU container.
- Typical maximum rate: use up to 800ml per 20kg of ARBOFLEX PU (adjust to conditions and desired viscosity).
- Mix thoroughly: continue mixing until the blend is fully homogeneous.
- Cold weather note: if ambient temperature is below 5°C, pre-warm before mixing for best results.
Product Information
- Product name: ARBOFLEX® PU Thickener
- SKU: AF-Thickener-1
- Colour: Grey
- Stock type: Warehouse Fulfilled
- Brand: Arboflex
Ideal For
- Vertical wall waterproofing
- Sloped and pitched roof sections
- Roof edges, trims, upstands, parapets and detailed junction work
Quick FAQs
What does ARBOFLEX PU Thickener do?
It increases the viscosity of ARBOFLEX PU Liquid Membrane so it can be applied more reliably on vertical and sloped surfaces with reduced sagging.
How much thickener should I use?
Guidance indicates up to 800ml per 20kg of ARBOFLEX PU, adjusted to conditions and the viscosity you need. Always mix thoroughly until fully homogeneous.
Where is it most useful?
It’s most useful for parapets, upstands, trims, edges and any area where the membrane may otherwise slump before curing.
Any cold weather tips?
If temperatures are below 5°C, pre-warm before mixing to help the product combine properly and apply smoothly.
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Need advice? Call 01268 472358 for product and system support.
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