---
title: Announcing AP SlabSeal 142
description: AP SlabSeal 142 is ideal for sealing cracks and joints in concrete. This includes the most demanding dynamically moving joints.
---

[Alchatek Infrastructure Repair Blog: Polyurethane Leak Seal Injection, Soil Stabilization, Concrete Leveling ](https://info.alchatek.com/blog)

# [Announcing AP SlabSeal 142](https://info.alchatek.com/blog/announcing-ap-slabseal-142)

 Written by [Kreg Thornley](https://info.alchatek.com/blog/author/kreg-thornley) | Apr 11, 2023 2:00:00 PM

# Repair Cracks and Joints in Concrete

[AP SlabSeal 142](https://alchemy-spetec.com/structural-repair/ap-slabseal-142-silicone-for-sealing-cracks-and-joints-in-concrete/) is a high-performance, single-component, moisture-cure, ultra-low modulus silicone sealant. It is ideal for sealing cracks and joints in concrete. This includes the most demanding dynamically moving joints. AP SlabSeal 142 is often used to put the finishing touch on concrete slabs after they have been lifted and leveled.

# Features

- High-performance non-slump, one-part, moisture-curing, room-temperature vulcanizing (RTV).
- 100% silicone sealant specifically formulated for concrete joint applications.
- Protects joints and cracks from water infiltration.
- Ultra-high elongation.

# Benefits

- Exhibits excellent unprimed adhesion to concrete, steel, and most other construction substrates.
- Will maintain its integrity on joints with movement.
- Unaffected by sunlight (ultra-violet rays), ozone, temperature extremes, rain, and snow.
- Clean appearance is ensured through professional installation.
- Long service life, under normal conditions it will maintain its physical properties between -60°C to 200°C (-76°F to 392°F).

# Colors and Packaging

- **Gray:** 20 oz. Sausages, Case of 20 - Item #: ACP-142 cs - Gray
- **Beige:** 20 oz. Sausages, Case of 20 - Item #: ACP-142 cs - Beige

### Want more information on geotech products and equipment?

[View full post](https://info.alchatek.com/blog/announcing-ap-slabseal-142)

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