Building Material Buying Guides and SNI Standards

Technical guides to choosing building materials, SNI standards, material quantity calculation and business licensing for building material trade in Indonesia.

59 articles

Wall Paint Gloss Levels: Matt, Eggshell, Satin, Semi-Gloss and Gloss (2026-11-06)
Wall paint gloss level in 60° gloss units (ASTM D523): matt ≤5, eggshell 10–25, satin 20–35, semi-gloss 35–70, gloss 70–85. Rooms and care tips.
Ceramic Tile Water Absorption Groups BIa, BIb, BIIa, BIIb (ISO 13006) (2026-11-06)
Ceramic tile water absorption groups under ISO 13006: BIa ≤0.5%, BIb 0.5–3%, BIIa 3–6%, BIIb 6–10%. Differs from PEI; indoor vs outdoor.
Concrete Strength Class K-225, K-250, K-300 and fc' under SNI 2847 (2026-11-06)
Concrete strength class K-225, K-250 and K-300 are cube strengths (kg/cm²). SNI 2847 uses cylinder fc' (MPa); house vs structural use.
Anodizing Thickness for Aluminium Window Frames: QUALANOD Classes 10, 15 and 20 µm (2026-11-05)
Aluminium frame anodizing thickness follows QUALANOD classes: 10 µm for dry interiors, 15 µm for normal exteriors and 20 µm near the coast. How to choose.
VOC in Wall Paint: The 30 g/L Limit for Interior Matt Paint and How to Read the Label (2026-11-05)
EU rules have capped VOC in wall paint for interior matt walls at 30 g/L since 2010. See limits for trim paint, varnish and primers, and how to read labels.
Water-Saving Toilets at 4.8 Litres: WaterSense Label, Dual Flush and MaP 350 g Explained (2026-11-05)
WaterSense water-saving toilets flush at most 4.8 litres and must pass a 350 g MaP test. What the litre figure, dual flush and the label mean when buying.
Formaldehyde Emission Classes for Plywood and MDF: E1, F4 Star and CARB Phase 2 (2026-11-04)
Formaldehyde emission classes explained: E1 (0.1 ppm), Japan F4 Star (0.3 mg/L), CARB Phase 2 limits and the new EU 0.062 mg/m³ rule from August 2026.
Gypsum Board Types Under EN 520: What A, H1, F, D, I and R Mean (2026-11-04)
Gypsum board types EN 520 explained: A standard, H1–H3 moisture-resistant, F fire, D, I and R, with water-absorption limits and how to choose.
Stainless Steel 201 vs 304 vs 316: Nickel, Molybdenum, Magnet Test and Where to Use Each (2026-11-04)
Stainless steel 201 vs 304 vs 316: chromium, nickel and molybdenum limits under ASTM A240, why a magnet test misleads, and which grade suits coastal homes.
Reaction-to-Fire Classes A1, A2, B-s1,d0: What Euroclass EN 13501-1 Means (2026-11-03)
Reaction to fire class EN 13501-1: A1 is non-combustible, A2 to F are increasingly combustible, s1–s3 rate smoke and d0–d2 flaming droplets. Codes explained.
Hot-Dip Galvanizing Thickness Under ISO 1461: 85 µm, 70 µm and How to Check (2026-11-03)
ISO 1461 hot-dip galvanizing thickness for steel over 6 mm is a mean of at least 85 µm, 70 µm for 3–6 mm. Learn how it is measured, sampled and repaired.
Bolt Grades 4.6, 8.8, 10.9 and 12.9: What the Head Marking Means Under ISO 898-1 (2026-11-03)
Bolt grade 8.8 means at least 800 MPa tensile and 640 MPa yield strength. Learn what 4.6 to 12.9 head markings mean under ISO 898-1 and how to choose.
MCB Trip Curve B, C, D Explained: Ratings, 6000 Marking and SNI (2026-11-02)
The MCB trip curve B, C or D sets the instant trip at 3–5, 5–10 or 10–20 times rated current. Learn what the 6000 marking means and the SNI 8528-1 rule.
Bathroom IP Rating Explained: IP44, IP65, IPX7 and IEC Zones 0, 1, 2 (2026-11-02)
Bathroom IP rating rules decide which lights and sockets are safe: at least IPX4 in zones 1 and 2 and IPX7 in zone 0. Learn what the two IP digits mean.
Tile Slip Resistance Ratings R9–R13 and A, B, C: Meaning and How to Choose (2026-11-02)
Tile slip resistance ratings R9–R13 come from a shod ramp test from 6° to over 35°, while A, B and C are for bare feet. Learn what they mean before you buy.
MDF, Particleboard and OSB Classes: What P1–P7, MDF.H and OSB/3 Mean (2026-11-01)
MDF and particleboard classes, plus OSB codes, show dry or humid use and load-bearing ability. Learn the EN 312, EN 622-5 and EN 300 codes before buying.
Plywood Bonding Classes Under EN 314-2: Dry, Humid, Exterior and How to Choose (2026-11-01)
Plywood bonding classes under EN 314-2 come in three: class 1 dry interior, class 2 humid interior, class 3 exterior. Also check EN 636 and E1.
Laminate Flooring AC Ratings Explained: AC1–AC5, Classes 21–33, How to Choose (2026-11-01)
Laminate flooring AC ratings show wear resistance under EN 13329. AC3 suits most homes, AC4 kitchens and hallways, AC5 busy commercial floors.
PPR Pipe PN10, PN16 and PN20: Temperature, Pressure and Fusion Times (2026-10-31)
PPR pipe PN10, PN16 and PN20: blue-line PN10 for cold water, yellow PN16 and red PN20 for hot water up to 70°C, plus fusion times such as 5 s for 20 mm.
Rebar Weight per Metre under SNI 2052: Tolerance, End Colour Codes and Labels (2026-10-31)
Rebar weight per metre under SNI 2052:2017: S10 0.617 kg, S13 1.042 kg, S16 1.578 kg; tolerance ±5–7%, 10/12 m lengths and end colour codes.
Tile Grout Classification CG2WA: What CG1, CG2, W, A, F and RG Mean in EN 13888 (2026-10-31)
Tile grout classification under EN 13888: CG1 is basic, CG2WA adds abrasion and water resistance, RG is epoxy. Test limits, TDS examples and how to choose.
Acetic vs Neutral Silicone Sealant: Which for Glass, Aluminium and Roofs (2026-10-30)
Acetic sealant smells and can corrode some materials; neutral sealant suits aluminium, concrete and polycarbonate roofs. DOWSIL 795 data: ±50% joint movement.
BMT vs TCT in Light Steel: What the Thickness Means, AZ100 and SNI 8399 Checks (2026-10-30)
BMT is the base steel thickness that sets strength; TCT is total thickness after coating. KS example: BMT 0.70 mm, TCT 0.75 mm, 50-micron AZ100 coating.
Tempered vs Laminated Glass: Differences, LA–LX Codes and Mandatory SNI 9144 (2026-10-30)
Tempered vs laminated glass under Industry Regulation 22/2026: how each breaks, LA–LX type codes, SNI 9144-1/-2 and when the mandatory SNI applies.
Drainage Pipe Size for Houses per SNI 8153: 3-Inch Toilet Drain, Slope and Vents (2026-10-24)
Drainage pipe size per SNI 8153:2015: toilet drains min 3 in, 2/3/4-inch capacity 8/35/216 fixture units, slope 20.8 mm/m, floor drains min 80 mm.
SNI 8640 Lightweight Brick Standard: Classes, Minimum Strength and Sizes (2026-10-24)
SNI 8640 lightweight brick rules: class I structural up to 2 storeys, class II non-structural; min strength 6/4/2 MPa, 600x200 mm, 75–150 mm thick.
Tile Adhesive Classification C2TE: What C1, C2, T, E and S1 Mean (EN 12004) (2026-10-24)
Tile adhesive classification under EN 12004/ISO 13007: C1 ≥0.5 N/mm², C2 ≥1 N/mm², T slip ≤0.5 mm, E 30 min open time, S1/S2 deformable. Sika, MU-400.
How to Check SNI Rebar in Indonesia: Full vs Undersize, Weight per Metre (2026-10-23)
How to check SNI rebar: check SNI embossing and bar-end colour, then weigh. A 12 m D13 bar is 12.50 kg nominal, ±6%. Mandatory under Permenperin 55/2024.
KW1, KW2, KW3 Ceramic Tiles in Indonesia: Meaning, Price Gap and Checks (2026-10-23)
KW1, KW2, KW3 ceramic tiles are factory quality grades, not fakes. How to read the box label, the 20–50% price gap and 5 checks to make in the shop.
Gypsum Board Manufacturers in Indonesia: Jayaboard, Elephant, Gyproc & Aplus (2026-10-23)
Gypsum board manufacturers in Indonesia: Jayaboard (Knauf) in Gresik and Cilegon, Elephant in Bekasi, Gyproc in Cikande, Aplus in Rangkasbitung and Gresik.
Opening a Building Materials Store in Indonesia 2026: KBLI, NIB & PMA (2026-10-22)
Guide, 22 Oct 2026: building materials shops use KBLI 47521 (retail of construction materials, KBLI 2025); get the NIB on OSS RBA; a foreign-owned PT PMA needs at least Rp2.5…
SNI Certification for Imported Building Materials 2026: SPPT SNI & NPB (2026-10-22)
Mandatory SNI flow for imports (22 Oct 2026): check HS restrictions on INSW → importer NIB on OSS → SPPT SNI from an LSPro (or Kemenperin SIINAS) → register NPB on OSS…
Electrical Installation Cost per Point 2026: Lights, Sockets, MCB (2026-10-22)
Electrical installation cost per point (Sejasa, as of 22 Oct 2026): light Rp50–80k labour / Rp150–225k with materials, socket Rp55–85k / Rp160–240k, switch Rp50–75k / Rp145–220k,…
Epoxy Floor Price per m² 2026: Coating, Self-Levelling & Paint (2026-10-22)
Epoxy floor contract prices (22 Oct 2026): 300–500 micron coating Rp60–160k/m², 1000 micron self-levelling Rp165–250k/m², 2000 micron Rp215–350k/m², mortar/3 mm+ Rp125–500k/m².…
Granite Tile vs Ceramic 2026: Differences, Price per m² & Which Is Better (2026-10-22)
Granite (homogeneous) tile water absorption ≤0.5% (SNI ISO 13006 BIa), ceramic usually >3%. Mitra10 prices 22 Oct 2026: Habitat 60x60 ceramic ≈Rp56,500/m², Carina 60x60 granite…
Bedroom Tiles 40x40 vs 60x60: 3x3 Room Cost & How to Choose (2026-10-22)
3x3 bedroom (9 m², 22 Oct 2026 prices): 40x40 ±10 boxes × Rp50,000 (Mulia, Mitra10) + AHSP labour Rp56,530/m² ≈ Rp1.0m; 60x60 9 boxes × Rp61,050 (Habitat KW.A 1.08 m²) + labour…
Building Materials Stores in Tangerang 2026: Addresses & Tips (2026-10-22)
Large building-materials stores in Tangerang as of 22 Oct 2026 from official sites: Mitra10 Q-Big BSD, Gading Serpong, Bitung Cikupa, Pasar Baru Karawaci, Pondok Betung Bintaro,…
Tile Adhesive vs Sand-Cement: Cost per m² & Coverage 2026 (2026-10-22)
Per-m² comparison (22 Oct 2026 prices): adhesive 3–5 kg/m² × AM 45 Rp97,750/25 kg ≈ Rp11,700–19,600/m²; sand-cement ±10 kg cement/m² (SNI 7395) × Rp61,050/40 kg ≈ Rp15,300/m² +…
Toilet Installation Cost Indonesia 2026 + Toilet Prices (2026-10-22)
Toilet installation cost (as of 22 Oct 2026): squat ±Rp100k, sitting ±Rp200k per point (detik); with clean-water piping Rp400–700k (SN Studio). AHSP example: toilet Rp3,940,000 +…
Bathroom Waterproofing Cost per m² 2026: Coating vs Membrane (2026-10-22)
Waterproofing service prices per m² (as of 22 Oct 2026): cementitious Rp55–95k, acrylic Rp75k, bitumen Rp85–120k, torch-on membrane Rp185–250k, polyurethane Rp150–350k (PT ATM,…
House Construction Cost per m² Indonesia 2026 (2026-10-22)
House construction cost per m² in 2026 (as of 22 Oct 2026): simple Rp3.8–4.5m, standard Rp4.5–5.5m, mid Rp5.5–7m, luxury Rp7–12m+ (Elkasindo); Jakarta Rp5–7.5m/m².
Kitchen Renovation Cost Indonesia 2026: per m², 3x3 Kitchen & Cabinets (2026-10-22)
Kitchen renovation estimates 2026 (as of 22 Oct 2026): light Rp1–2m/m², mid Rp2.5–5m/m², premium Rp5–8m+/m² (Maxpro). A 3x3 kitchen with a 4 m L-shaped kitchen set is about…
How to Calculate Tiles, Cement & Gypsum Needed per m² (2026-10-22)
Material formulas: pieces per m² = 1 ÷ (L × W); 40x40 = 6.25 pcs/m², 60x60 = 2.78, 30x60 = 5.56, 80x80 = 1.56; an 80x80 box = 1.92 m² (3 pcs); add 5–10% for cuts. Plaster cement…
Plaster & Skim Coat Cost per m² Indonesia 2026 (2026-10-22)
Plaster + skim cost 2026 per m² one side: contract with materials Rp85,000–125,000 (Jakarta Rp95,000–125,000), labour only Rp55,000–85,000, plaster labour Rp35,000–55,000, skim…
Gypsum Ceiling Installation Cost per m² Indonesia 2026 (2026-10-22)
Gypsum ceiling cost 2026: hollow frame + 9 mm gypsum Rp135,000 (Aplus) and Rp155,000/m² (Jayaboard) at Petra Truss; Rp155,000–185,000/m² (Mahkota Baja); Rp145,000–235,000/m²…
Bathroom Renovation Cost Indonesia 2026: 2x2 m Packages (2026-10-22)
Bathroom renovation cost 2026 (Jabodetabek): 1.5x2 m Rp12–18 million (standard), 2x2 m Rp15–23 million (standard) / Rp23–33 million (upper-mid), 2x2.5 m Rp18–28 million; budget…
Tile & Granite Installation Cost per m² Indonesia 2026 (2026-10-22)
Tile installation cost 2026: DKI AHSP labour 40x40 Rp56,530/m², 60x60 Rp80,334/m², skirting Rp24,486–26,248/m; market: 30x30–50x50 Rp45,000–60,000, 60x60 Rp65,000–80,000,…
Light Steel Roof Truss Cost per m² Indonesia 2026 (2026-10-22)
Light steel roof frame cost 2026 (Jabodetabek): frame with materials Rp130,000–200,000/m², with battens + foil Rp195,000–255,000/m², labour only Rp40,000–80,000/m²; 0.75 mm frame…
House Painting Cost per m² in Indonesia 2026: Paint Calculator (2026-10-22)
How to calculate painting cost per m²: wall area ÷ coverage × coats. Example Catylac 25 kg Rp619,700 (10–12 m²/kg): about Rp4,100–5,000/m² for 2 coats.
Wall Paint Manufacturers in Indonesia: Avian, Nippon, Jotun Factories (2026-10-22)
Wall paint manufacturers in Indonesia and factory addresses: Avian (Sidoarjo, Serang), Nippon Paint (Gresik), Jotun (MM2100), Propan (Tangerang), Mowilex (Cikande). Data as of 22…
Light Steel Frame Manufacturers in Indonesia: Factory Addresses 2026 (2026-10-22)
Light steel frame manufacturers in Indonesia: Taso (Tatalogam), Lysaght SMARTRUSS (NS BlueScope), Prima Truss and Jayaboard, with official factory addresses. Data as of 22…
Cement Factories in Indonesia: Brands, Owners and Plant Locations (2026-10-22)
List of cement factories in Indonesia: SIG brands, Dynamix, Tiga Roda, Conch, Merah Putih and Garuda, with owners, plants and 2024 market shares.
Tile Factories in Indonesia: Ceramic & Granite Brands, Makers, Addresses (2026-10-22)
List of tile factories in Indonesia: Arwana/UNO, Roman, Platinum/Asia Tile, Mulia, KIA, Milan, Niro, Indogress, with makers and factory addresses.
PVC Pipe for Homes: AW vs D Class, SNI 06-0084-2002, Jointing and Pressure Testing (2026-10-22)
AW-class PVC pipe is for pressurised clean water, D-class for waste. Learn SNI 06-0084-2002, wall thickness, solvent jointing, pressure tests and storage.
House Electrical Cable Guide: NYA vs NYM vs NYY, Sizes and PUIL Colour Code (2026-10-22)
House electrical cable: Building wire must carry SNI under Permenperin 56/2024. Learn NYA, NYM and NYY, the 1.5 mm² minimum size, PUIL neutral and earth colours, and quality…
Gypsum Ceiling Guide: SNI & ASTM, Board Thickness, Frame Spacing and Jointing (2026-10-22)
Gypsum ceiling: How to choose gypsum board for ceilings: SNI 03-6384 and ASTM C1396, 9 vs 12 mm thickness, frame and screw spacing, joint compound and quality checks.
Concrete Roof and Bathroom Waterproofing: Material Types and Application Steps (2026-10-21)
Concrete roof waterproofing: Leaks are the top complaint in tropical buildings. Learn cementitious, liquid-applied (PU/acrylic) and torch-on membrane systems, plus the correct…
Cement Types in Indonesia: OPC vs PCC vs PPC and When to Use Each (2026-10-21)
Cement types Indonesia: What separates Portland cement (OPC) Types I–V, Portland Composite Cement (PCC) and Portland Pozzolan Cement (PPC)? How to choose, store and cure…
How to Choose Floor Tiles: PEI Rating, Water Absorption and SNI ISO 13006 (2026-10-21)
How to choose floor tiles: A practical guide for contractors, retailers and homeowners to reading a tile box: PEI class, water-absorption group, slip resistance, sizing and the…

Building Material Buying Guides and SNI Standards

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