Submitted at Mar 18, 2026, 2:30 PM
(Freepik/Divulgação)
Rainwater management is one of the most important challenges in contemporary architectural projects, especially in urban areas. With the increase in soil waterproofing — caused by concrete, asphalt, and traditional flooring — problems such as floods, waterlogging, and overload on city drainage systems arise. In this context, solutions that allow the natural infiltration of water are gaining more and more prominence.
Roberta Gonçalves - Terraço Sagrado. Trazendo como conceito a transformação “do simples à glória”, o espaço de acolhimento traduz a fé em experiência sensorial. Inspirado na Trindade e na presença maternal de Maria, o ambiente abraça a luz dirigida, criando pontos de reverência ao sagrado, enquanto uma paleta neutra remete à pureza. As obras artesanais e mobiliário sob medida reforçam a afetividade, enquanto vegetação e piso drenante criam uma transição fluida entre interior e exterior, onde contemplação e ludicidade se encontram em atmosfera de acolhimento e espiritualidade. O espaço propõe uma integração de fé, funcionalidade e sensibilidade estética. (Xico Diniz/Divulgação)
Among these solutions is the permeable flooring, a type of covering designed to allow rainwater to pass through its surface and be absorbed by the soil. This system helps reduce water accumulation, improves drainage, and contributes to more sustainable projects.
Below, learn more about what this type of flooring is, what the main models are, where it can be applied, and what its advantages, disadvantages, and maintenance considerations are.
The permeable flooring is a type of permeable covering that allows water to pass through its surface and infiltrate the soil or drainage layers installed below the floor. Unlike traditional coverings — such as ceramic, porcelain tile, or common concrete — it has pores or spaces between the pieces that facilitate the passage of water.
Elkis+ Paisagismo - Jardim Tropical. Um caminho sinuoso, pavimentado com piso drenante, abre passagem pelo bosque, enriquecido pelo escritório paulistano comandado por Caroline e Gilberto Elkis. A composição botânica soma mais de dez espécies tropicais, entre as quais estão alpínia, areca, asplênio, pleomele, ravenala e outras tantas forrações de menor porte que dão forma ao projeto de cerca de 400 m² repleto de texturas, perfumes e cores. Prepare-se para cruzar com uma vaca nelore de aço corten em tamanho real, bem-humorada escultura de Rapha Preto. (Carolina Mossin/Divulgação)
This characteristic reduces surface runoff and decreases the amount of water directed to storm drains and urban drainage systems. In many cases, permeable flooring is part of a complete system that includes layers of gravel, sand, and geotextile membrane to improve water absorption.
In addition to its hydraulic function, this type of flooring also contributes to more sustainable projects, as it helps preserve the natural water cycle in the soil and can reduce the formation of heat islands in urban projects.
There are different types of permeable flooring, which vary according to material, installation system, and level of permeability. Each model may be more suitable for certain uses.
(Mapa da Obra/Divulgação)
One of the most common is permeable concrete, which has a structure with less sand and more empty spaces between the aggregates. This creates small channels through which water can pass, allowing its infiltration into the soil. It is widely used in parking lots, sidewalks, and outdoor areas of residential complexes.
Paver Drenante. (AlfaBlock/Divulgação)
Another well-known model is the permeable paver, made of interlocking concrete blocks. In this case, water does not pass directly through the block, but rather through the joints between the pieces, which are filled with sand or gravel. This system is widely used in outdoor areas due to its resistance and easy maintenance.
Piso drenante cerâmico. (Lepri/Divulgação)
There is also the permeable ceramic or porcelain floor, developed with technology that allows greater water absorption. This type is usually used in residential and commercial outdoor areas where a more refined aesthetic finish is also desired.
(Freepik/Divulgação)
In addition to these, there are natural solutions, such as loose stones, gravel, or pebbles, which function as permeable surfaces and are very common in landscaping projects.
Permeable flooring is especially recommended for outdoor areas where rainwater control is needed. It is widely used in projects that seek to reduce the environmental impact of soil waterproofing.
Among the most common places of application are sidewalks and public walkways, where drainage helps prevent puddles and water accumulation. In many cities, this type of flooring is even encouraged or required in certain constructions.
Alexandre Furcolin - Pátio das Tabocas. O bosque de 530 m² é criado a partir de mais de 500 touceiras, que guardam diversas espécies de bambu, como brasil, jardim, anão e quadrado. No piso, foi utilizado um revestimento drenante, da Braston. (Salvador Cordaro/Divulgação)
Another quite common use is in parking lots, both residential and commercial. In this case, permeable flooring helps prevent flooding and improves water drainage in wide areas.
It also frequently appears in gardens, backyards and leisure areas, integrating landscaping projects. In these situations, permeable flooring contributes to maintaining the permeability of the terrain and preventing excess water in green areas.
Melissa Sales Sousa - Jardim de Melissa. As linhas formais dos jardins ingleses encontram plantas tropicais e de grande porte que causam impacto. O conjunto é valorizado pela iluminação indireta. No piso, foi utilizado um revestimento drenante, a fonte reutiliza a água e o sistema de irrigação é automatizado. (Alberto Medeiros/Divulgação)
In addition, it can be used around pools, squares, condominiums, and outdoor areas of residences, offering a functional and aesthetic solution at the same time.
Before choosing this type of covering, it is important to know its main benefits and limitations.
Allows rainwater infiltration into the soil
Helps reduce flooding and overflows
Reduces the burden on urban drainage systems
Contributes to more sustainable projects
Reduces puddle formation in outdoor areas
Can help reduce the surface temperature of the soil
Mônica Costa - Jardim Nômade. No rooftop da mostra, no entorno da Casa LG ThinQ, a arquiteta paisagista tirou partido do conceito de residência móvel em seu espaço de 340 m². Totalmente desmontável, o projeto cria jardins em vasos com folhagens tropicais, sobre piso drenante e cores neutras, tudo inspirado em viagens pela Europa. O mobiliário, de madeira e tecidos adequados a áreas externas, proporciona conforto para uma pausa agradável nesse momento de transição, após o longo período de isolamento social. (Evelyn Müller/Divulgação)
Initial cost may be higher than some traditional floorings
Installation requires proper soil preparation
May require periodic maintenance to prevent pore clogging
Not all models withstand heavy traffic
May accumulate dirt in areas with a lot of dust or soil
To ensure the proper functioning of drainage flooring over time, some care is essential.
Francisco Oliveira - Varanda do Bar. A inspiração vem dos sertões, como se tudo fosse modelado a partir da argila. Por isso, o piso flutuante é cinza com textura rochosa. No mobiliário, peças assinadas pelo arquiteto são acompanhadas por mesas laterais de alumínio e madeira. Há também tricô náutico, corda náutica e tecido impermeável. Os três bancos em toras de madeira dão a ideia de praça, com vista tanto para a Serra do Curral como para o Palácio das Mangabeiras. Vasos de plantas dão continuidade ao verde do entorno. (Dentro Fotografia/Divulgação)
Correct base preparation: the drainage system depends on adequate layers of gravel, sand and soil compaction.
Periodic cleaning: removing leaves, soil and residues prevents pore or joint clogging.
Avoid waterproofing sealers: products that seal the surface may compromise the drainage function.
Choose the type suitable for the use: areas with vehicle traffic require more resistant models.
Joint maintenance: in the case of pavers, it may be necessary to replace sand or gravel over time.
When properly installed and maintained, drainage flooring becomes an efficient solution to improve drainage in outdoor areas and make architectural projects more sustainable and functional.
CASACOR Publisher is an exclusive content creator agent, developed by CASACOR's Technology team based on the knowledge base of casacor.com.br. This text was edited by Yeska Coelho.
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traduzido por: OPENROUTER
