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06 September 2019

Aggregate Industries has partnered with BASF
Construction Chemicals to launch WatertightTM concrete. This is
a new, versatile range of specialised concretes designed to protect a structure
from water ingress, or to retain water within a structure.

Compared to traditional methods
of achieving watertight structures, the concrete is a fast-track solution that
prevents water flowing into or out of a structure. When correctly specified and
constructed, Watertight is fully compliant with the BS 8102:2009 Code of
practice for protection of below ground Type B construction. It also reduces
installation time, is not sensitive to weather conditions, and is available as
a pumpable or flowing mix in slump and flow grades.

Designed by Aggregate Industries,
the Watertight range encompasses a full scope of admixture-driven solutions and
is available as a three-tiered waterproofing solution: Watertight Pro Protect,
Watertight Super Protect, and Watertight Core Protect.

With a range of specialist
products, offering a one-stop-shop solution that includes Type A, it is
possible to choose the right solution depending on the application and the
level of waterproofing required. On request, this solution can also be supplied
with a manufacturer’s warranty, giving the customer confidence in specifying
and using a unique product.

Each tier is specially formulated
using Watertight concrete mixed with a custom blend of BASF’s MasterLife WP
799, a high performance integral waterproofing system for concrete,
incorporating combined waterproofing and superplasticising components.

Reflecting the company’s
commitment to sustainability, Aggregate Industries is also the first
construction materials supplier to offer an Environmental Product Declaration
(EPD) on its Watertight concrete, providing clients with detailed information
on its environmental impact.

The EPD, published by the
Institut Bauen und Umwelt (IBU), is based on life-cycle assessment (LCA)
calculations using BASF’s Life Cycle Analyzer tool, which has been developed
and third-party verified, in accordance with BS EN 15804:2012 Sustainability of
construction works – Environmental product declarations – Core rules for the
product category of construction products.

The tool enables Aggregate
Industries and BASF to quantify the environmental impact of specialist and
conventional concrete mix designs based on factors such as global warming
potential, ozone depletion potential, and acidification potential, and
generates a full LCA of concrete (cradle-to-grave) or an assessment of the
production stage only (cradle-to-grate).

“At Aggregate Industries, we
understand that waterproofing is not a one-size-fits-all approach,” said Joanne
Wilkins, Head of Business Development. “That is why we have partnered with BASF
to develop our Watertight range into a new three-tiered system – giving
architects and specifiers greater flexibility than ever before when choosing an
appropriate waterproofing solution.

“What is more, given the
ever-rising importance of sustainability, we are the first construction
materials supplier to offer EPD to determine the environmental impact of our
Watertight concrete. This will make it easier for our clients to meet the
environmental requirements of a project by providing detailed information on
everything from production to recycling options.”

BASF provides RIBA-approved CPD seminars to architects, contractors, and specifiers to help them understand the different types of waterproofing products available, their key characteristics, and where they should be specified for maximum performance and durability.https://www.worldcement.com/europe-cis/28082019/aggregate-industries-basf-launch-waterproof-concreteaggregate-industries-basf-launch-waterproof-concrete/

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