BlokForma Madeiras

Release Agent for Wooden Forms Concrete

BlokForma Folder

Release Agent Wax for Concrete for Precast Slopes, Concrete on Concrete, Plastic Forms and Metallic Forms

BlokForma Metals

Release Agent for Concrete for Metallic Forms

Water repellent silicone for facade water based silane siloxane concentrated

BlokSeal CC

Water repellent silicone

water repellent for plaster


Water repellent for Gypsum

gypsum glue

BlokGesso Glue

Additive for Making Plaster Glue

water repellent for porous floors

BlokSeal Floors

Water repellent for porous floors

Join the team of
best professionals
in the construction industry
and keep yourself always
always informed about the biggest
advances of your profession.
Areas of Expertise
Large-scale builders, developers, factories and contractors

In our core business, solidity is the watchword. Waterproofing products tailored to your construction company.

Buildings, residences, condominiums and self-employed professionals

Reliability: an element present in all the formulas of our products. Waterproofing for any challenge.

Product Development
industries, construction companies and manufacturers of construction supplies

Ready to take on any challenge.

Our History

We invest in respect, transparency and seriousness to offer much more than high quality products.

And with almost 30 years of history, we have proven that only a good product is not enough to get the desired result in works.

We need to keep our eyes on the horizon and offer the best Technical Support for our customers and partners.

This is exactly what we, at Souza Filho Impermeabilizantes, offer through our Blok product line: complete chemical solutions with high performance products and specialized support in civil construction.

With almost 30 years of history,
do you know what we have learned?

That this is just the beginning.

Custom-made waterproofing products.

Waterproofing for any challenge.

No matter what your challenge is, we have the ideal waterproofing for your job.
You can not just call customers who have been with us for almost 30 years. That is why Souza Filho Waterproofing Products in Sorocaba produces product lines for all needs.

Whether it is a residential application or a work that challenges Civil Engineering, Blok products are tailor made for any challenge. Waterproofing products are tailor made for any challenge.

In each package of our products you will find the ideal solution in waterproofing, sealants, mold release agents, plasticizers and much more for conservation and waterproofing of your work.
Blok Waterproofing