👉 INTERCON Construction Chemicals 

● Concrete Admixtures
● Bonding Agents
● Waterproofings
● Wall Putty, Prime Coat
● Concrete Repair Mortar
● Floor hardener, Epoxy
● Grout, Self-level mortar
● Quartz paint, Contextra
● Tile Adhesive & Tile Joint Fillers 
● Geotextiles and other construction chemicals and materials

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👉Damp-proof materials are essential in construction to prevent moisture from penetrating buildings, which can cause structural damage and health issues.

📜Here are the main types of damp-proof materials:

🏷1. Flexible Damp-Proof Materials: These are used in damp-proof courses (DPC) and membranes (DPM) to block rising or lateral moisture.

⏺Bituminous Materials (Asphalt/Bitumen):
- Hot-laid bitumen
- Bituminous felts (reinforced or non-reinforced)
- Cold-applied bituminous coatings
⏺Plastic Sheets (Polythene, PVC, HDPE):
- Low-density & high-density polyethylene (LDPE/HDPE)
- Polyvinyl chloride (PVC) membranes
⏺Rubberized Asphalt:
- Self-adhesive membranes with rubberized bitumen
⏺Composite Membranes:
- Aluminum foil-backed bitumen or plastic sheets

🏷2. Rigid Damp-Proof Materials : These are used in foundations, basements, and floors.
⏺Cementitious Coatings:
- Polymer-modified cement slurry
- Crystalline waterproofing compounds
⏺Metal Sheets (Lead, Copper, Aluminum):
- Used in older constructions but less common now
⏺Brick & Slate Layers:
- Dense engineering bricks or slate strips in mortar

🏷3. Liquid Damp-Proofing Compounds :Applied as coatings or injections for waterproofing.

⏺Epoxy & Polyurethane Coatings:
- Used for basements, roofs, and terraces
⏺Silane-Siloxane Penetrating Sealers:
- For concrete and masonry walls
⏺Acrylic & Polymer-Based Coatings:
- Flexible and breathable for external walls

🏷4. Integral Damp-Proofing Compounds : Added to concrete/mortar during mixing to reduce permeability.

⏺Crystalline Waterproofing Admixtures:
- React with water to form crystals that block pores
⏺Pozzolanic Admixtures (Fly Ash, Silica Fume):
- Enhance concrete’s resistance to water penetration

🏷5. Injection Damp-Proofing Materials: Used for treating rising damp in walls.

⏺Siliconate & Siloxane-Based Injections:
- Hydrophobic gels or liquids that repel water
⏺Acrylic & Polyurethane Resin Injections:
- Expands to fill cracks and voids

🏷6. Cavity Wall & Drainage Membranes

⏺Dimpled High-Density Polyethylene (HDPE):
- Allows moisture to drain away from walls
⏺Geotextile Fabrics:
- Used with drainage systems to filter and divert water

🚧Selection Factors

- Location (below-ground, walls, floors)
- Type of Damp (rising, penetrating, condensation)
- Material Compatibility (masonry, concrete, wood)
- Durability & Cost

@etconp

👉አዲሱ የአውሮፕላን ማረፊያ‼️

💫በ 10 ቢሊየን ዶላር (1.4 ትሪሊየን ብር) ቢሾፍቱ አቅራቢያ ለሚገነባው  የአህጉሪቱ ግዙፍ ኤርፖርት ሲቲ  ግንባታ በዛሬው እለት የፋይናንስ አቅርቦት ስምምነት ከአፍሪካ ልማት ባንክ ተደርጓል። 

🚧ፕሮጀክቱ 3,975 ሄክታር ላይ ሚገነባ ሲሆን 100 ሚሊየን ተጓዦች በዓመት ያስተናግዳል ተብሎ ይጠበቃል።

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❇️ኤርፖርቱ ሲጠናቀቅ  አሁን ያለውን  የኢትዮጵያ  አየር መንገድ ገቢ በ3 እጥፍ በማሳደግ ማለትም በዓመት  እስከ 25 ቢሊየን ዶላር (3.5 ትሪሊየን ብር) ገቢ ያስገኛል ተብሎ ይጠበቃል።

@etconp

👉Construction chemicals

💫are specialized chemical compounds used in construction projects to enhance the properties of building materials, improve durability, and ensure structural integrity.

⏺They play a crucial role in modern construction by improving workability, strength, water resistance, and longevity of structures.

🚧Common Types of Construction Chemicals:

1. Concrete Admixtures

- Water Reducers (Plasticizers & Superplasticizers) – Improve workability without adding water.
- Accelerators – Speed up concrete setting time (e.g., calcium chloride).
- Retarders – Slow down setting time for long-distance transportation.
- Air-Entraining Agents – Introduce tiny air bubbles to improve freeze-thaw resistance.

2. Waterproofing Compounds

- Used in basements, roofs, and wet areas to prevent water seepage.
- Types: Cementitious coatings, liquid membranes, bituminous coatings, polyurethane sealants.

3. Repair & Rehabilitation Mortars

- Epoxy, polymer-modified mortars for fixing cracks and restoring damaged concrete.

4. Floor Hardeners & Toppings

- Increase abrasion resistance in industrial floors (e.g., metallic & non-metallic hardeners).

5. Sealants & Joint Fillers

- Prevent leaks in joints (silicone, polyurethane, acrylic sealants).

6. Adhesives & Bonding Agents

- Epoxy and polymer-based adhesives for tile fixing, structural bonding, and anchoring.

7. Protective Coatings

- Anti-corrosive, fire-resistant, and UV-resistant coatings for steel and concrete.

8. Grouts & Anchoring Chemicals

- Used for machinery foundation, post-tensioning, and crack injection.

9. Curing Compounds

- Retain moisture in concrete to ensure proper hydration.

10. Mould Release Agents

- Prevent concrete from sticking to formwork.

⭐️Benefits of Construction Chemicals:

✔ Improve strength & durability
✔ Enhance workability & finish
✔ Reduce water usage in concrete
✔ Prevent corrosion & chemical attacks
✔ Extend the lifespan of structures

▶️These chemicals are essential for modern construction, ensuring safety, sustainability, and cost-efficiency in projects ranging from residential buildings to large infrastructure.

@etconp

👉Mat foundations also known as raft foundations, are large, continuous slabs that support the entire structure.

⏺They are used when soil bearing capacity is low or when the structure requires uniform support.

⭐️Here are the main types of mat foundations:

🏷1. Flat Plate Mat (Uniform Thickness Slab)

- Simplest type, with a constant thickness.
- Suitable for light to moderate loads with uniform column spacing.
- Requires less reinforcement but may need thickening under heavy columns.

🏷2. Flat Plate Thickened Under Columns

- Similar to a flat plate but with additional thickness beneath columns to handle higher shear and bending moments.
- More economical for structures with varying column loads.

🏷3. Beam and Slab Mat (Ribbed Mat Foundation)

- Consists of a slab with reinforced beams (ribs) running along column lines.
- Provides greater stiffness and is used for heavy or uneven column loads.
- Reduces slab thickness by concentrating reinforcement in beams.

🏷4. Cellular Mat Foundation (Box-Type Mat)

- Consists of interlocking top and bottom slabs with vertical ribs, forming a rigid box-like structure.
- Used for very heavy loads (e.g., high-rise buildings, industrial structures).
- Provides high resistance to differential settlement.

🏷5. Piled Raft Foundation (Combined Pile-Mat Foundation)

- Combines a mat foundation with deep piles to enhance load-bearing capacity.
- Used in very weak soils where a conventional mat would settle excessively.
- Piles help reduce settlement and improve stability.

🏷6. Slab with Basement Walls as Deep Beams

- Uses perimeter basement walls as deep beams to stiffen the foundation.
- Suitable for buildings with basements where walls contribute to structural rigidity.

💫Selection Factors:

- Soil conditions
- Load distribution
- Column spacing
- Construction cost & complexity

⏺Each type is chosen based on structural requirements and geotechnical conditions to ensure stability and minimize settlement.

@etconp

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