Urban Renewal
İddalı Yapı A.Ş.
İlkem Sokak Kentsel Dönüşüm
2.600 m² Proof Membran
Engineering-Driven Waterproofing for Your Buildings
From foundation to roof — turnkey waterproofing solutions backed by 20+ years of experience, full spec compliance and quality materials.
20+
Years of Experience
100+
Completed Projects
36
Solution Partners
%100
Engineering-Based Approach
Our Services
Every building has different waterproofing needs and details. We develop project-specific applications based on engineering principles.
Foundation and Basement Waterproofing
Continuous waterproofing against pressurized groundwater for the underside of the foundation, its perimeter and basement walls. Turnkey application with tanking, membrane and liquid-applied systems.
Learn MoreRoof and Terrace Waterproofing
Turnkey roof and terrace waterproofing in Istanbul with membrane and liquid-applied systems, for accessible and non-accessible roofs. Engineer-supervised from survey to handover.
Learn MorePodium Deck Waterproofing
Turnkey waterproofing for podium decks above underground car parks — landscaped areas and trafficked slabs — with membrane or liquid-applied systems selected per project.
Learn MoreControlling Water Ingress with Polyurethane and Acrylic Gel Injection Systems
Polyurethane and acrylic gel injection systems that reduce the need for extensive demolition or excavation, addressing active water leaks at their source.
Learn MoreExpansion Joint Waterproofing and Movement Joint Solutions
Turnkey expansion joint waterproofing from foundation to roof: tape, sealant and injection systems applied on every movement joint under engineer supervision.
Learn MoreWater Tank Waterproofing
Leak-proof, hygienic waterproofing for potable and utility water tanks using lining systems approved for drinking water contact. Turnkey delivery from site survey to the final water-tightness test.
Learn MoreBathroom and Wet Area Waterproofing
Under-tile waterproofing for bathrooms, kitchens, WCs and balconies in Istanbul. Correct material selection and detailing to specification put a permanent stop to leaks into the flat below, damp and mould.
Learn MoreThermal Insulation and Insulation Materials Supply
Both installation and supply of XPS, EPS, rockwool and external wall insulation materials: EREL Yalitim delivers project-matched thermal insulation systems across Istanbul from a single source.
Learn MoreWhy EREL Yalıtım?
We plan and apply our insulation solutions according to the structural and architectural characteristics of each building.
Engineering-Based Approach
Applications are designed by our engineering team based on the structural and architectural properties of the building.
Project-Specific Solutions
Instead of one-size-fits-all fixes, the right system and material are selected for each building's needs.
Quality Materials and Workmanship
Systems and products are selected according to project conditions and manufacturer technical data sheets.
Trusted Solution Partners
We work with leading global brands in the industry.
Products and Application Together
Alongside our application services, we also supply the right products for your project.
Featured References
From public projects to urban renewal — our completed waterproofing applications at different scales.
Urban Renewal
Kümbetli A.Ş.
Yeşilyurt Kentsel Dönüşüm
1.200 m² Ravaproof 3,5 mm
Industrial and Public Projects
Traton A.Ş.
2.500 m² Proof Membran
Industrial and Public Projects
İGA İstanbul Havalimanı
Su Deposu
Sertifikalı Kristalize Sistem
Brands We Work With
We work with certified systems from the industry's leading brands.
- Polymen Building Chemicals
- Rockal
- Fosroc
- Bauder
- Flowcrete
- Köster Waterproofing Systems
- Kalekim
- Lyksor
- Sika
- Delta
- Weber Saint-Gobain
- Saint-Gobain
- BMI
- TTR
- Ravago
- illbruck
- Vandex
- Menzel
- Arfen
- Wallboard Yapı Sistemleri
- Delfol
- İzocam
- ODE
- Knauf
- Baumit
- Mapei
- BTM
- Bostik
- Technowool
- Tekno Construction Chemicals
- Deutschetherm
- AB-Schomburg
- Aragonit
- CF-Group
- Eurobent
- Technoplan
Free Site Survey for Your Building
Our expert team inspects your building on site and provides a tailored solution and quote. We offer a free preliminary survey and technical assessment for projects within Istanbul and within a suitable scope.