SIKA · AUTHORIZED PROJECT DISTRIBUTOR · SPACE ARC ENGINEERING
Sika Injection-101h
Fast-foaming, water-reactive PU injection foam for temporary water stopping
Product Overview
Sika Injection-101h is a flexible, water-reactive polyurethane injection foam used for the rapid, temporary stopping of active water ingress. Solvent-free and low in viscosity, it penetrates fine cracks, joints and cavities in concrete, brickwork and natural stone, then foams quickly on contact with water to form a dense, fine-celled flexible mass that blocks the flow. Expansion begins within about 15 seconds and is complete in roughly 50 seconds, with free foaming up to around 20 times its volume — and even higher under certain conditions — making it effective against strong water intrusions. Because it provides a temporary stop, it is typically followed by a permanent elastic resin such as Sika Injection-201 IN. Space Arc Engineering, an authorized Sika distributor in India, supplies Sika Injection-101h to specialist waterproofing and structural-repair contractors.
Features & Benefits
- Reacts on contact with water and foams within seconds to stop heavy, flowing leaks fast
- Low mixed viscosity lets it travel into fine cracks and tight cavities before it expands
- High free-foaming expansion (up to about 20 times) fills voids efficiently
- Solvent-free chemistry suited to confined and below-ground working conditions
- Cures to a flexible, fine-cellular foam that accommodates minor movement
- Two-pack system with a workable pot life of around 3 hours for controlled injection
Technical Highlights
| Coverage | Consumption depends on crack volume, void size and water flow; expands up to about 20 times (more under some conditions) on contact with water — refer to TDS for estimating. |
| Strength | Cures to a dense, flexible fine-cellular foam for temporary water stopping; for mechanical values refer to TDS. |
| Performance | Mixed viscosity of 200–700 cps at 30 °C; reaction starts about 15 seconds and ends about 50 seconds after water contact. |
| Application Conditions | Apply between +5 °C and +35 °C (ambient and substrate); mix Part A to Part B at 9 ± 1 : 1 by volume with a pot life of about 3 hours. |
| Packaging | Supplied as Pack A 10 kg (brown) and Pack B 0.9 kg (clear). |
Applications
- Emergency stopping of high-pressure water inflow in tunnels and underground structures
- Temporary sealing of leaking construction joints in basements and water-retaining structures
- Blocking active leaks in cracks and cavities in concrete dams and shafts
- Pre-treatment of gushing cracks before permanent resin injection in repair projects
- Controlling water ingress through brick and stone masonry in heritage and civil works
SPACE ARC ENGINEERING · AUTHORIZED DISTRIBUTOR
Product image & sample available on request
Technical Data
| Product type | Water-reactive PU injection foam (temporary water stop) |
| Base | Solvent-free two-component polyurethane |
| Mixing ratio | Pack A : Pack B = 9 ± 1 : 1 by volume |
| Reaction | Starts ~15 s, ends ~50 s after water contact |
| Pot life | Approx. 3 hours |
| Packaging | Pack A 10 kg + Pack B 0.9 kg |
Datasheet & Documents
Request the Technical Data Sheet, method statement and safety data sheet from Space Arc Engineering.
Request Quote / Availability
+91 9999155255
+91 7290089007
info@space-arc.com
Frequently Asked Questions
What is Sika Injection-101h used for?
It is a fast-foaming polyurethane injection foam used to temporarily stop active water ingress through cracks, joints and cavities in concrete, brickwork and stone. It is generally followed by a permanent elastic injection resin for a lasting seal.
How fast does Sika Injection-101h react with water?
Expansion starts about 15 seconds after the foam contacts water and finishes around 50 seconds later, foaming up to roughly 20 times its volume in free conditions — and higher in some situations — which makes it effective against strong, flowing leaks.
What is the mixing ratio for Sika Injection-101h?
Pack A is mixed with Pack B at 9 ± 1 : 1 by volume. The mixed material has a pot life of about 3 hours and a viscosity of 200–700 cps at 30 °C. Always follow the TDS and use suitable injection equipment.
Is Sika Injection-101h a permanent seal?
No. It is designed for temporary water stopping. For a permanent watertight seal, the treated crack or joint is typically re-injected with an elastic polyurethane resin such as Sika Injection-201 IN.
Who supplies Sika Injection-101h in India?
Space Arc Engineering is an authorized Sika distributor in India and supplies Sika Injection-101h with application support. Contact +91 9999155255 or info@space-arc.com for orders and technical help.
Related Products
- Sika Injection-201 IN — Elastic PU resin for the permanent seal after temporary stopping with 101h.
- Sika Injection-306 — Polyacrylic injection resin for permanent sealing of cracks and joints.
- SikaFuko VT-1 — Re-injectable hose system for sealing construction joints in new structures.
- SikaSwell A — Swelling joint profile that complements injection waterproofing at joints.
Buy Sika Injection-101h — Sika Distributor in India
Space Arc Engineering is an Authorized Project Distributor supplying Sika products for infrastructure, industrial, commercial and residential projects across India.
+91 9999155255 | +91 7290089007 | info@space-arc.com