Defects & Quality

Joint Lines

joint_lines

Visible seams where separately manufactured components meet. It is a defect or QC term used when checking stone.

Used with

Flexural Strength

Maximum bending stress stone sustains before failure. It is a defect or QC term used when checking stone.

flexural strengthEğilme Dayanımı

Efflorescence

Efflorescence is visible crystalline salt deposit on masonry or stone surfaces from moisture transport. A defect/appearance issue managed by detailing and cleaning.

efflorescenceçiçeklenmeÇiçeklenme-Tuzlanma

Dense Material

Dense, compact stone material with low porosity. It is a defect or QC term used when checking stone.

sıkısıkı malzeme

Vein

Natural linear mineral, color, or structural feature in stone. It is a defect or QC term used when checking stone.

veta

Abrasion Resistance

Abrasion resistance is how well a stone surface withstands wear—important for floors and paving. Reported from standard tests on datasheets.

abrasion resistanceAşınma DayanımıAşınma direnci

Bowing

Bowing is concave or convex deformation of a stone panel after installation—often from moisture or thermal effects. A defect/performance risk on façades.

bowingbükülme (bowing / hysteresis)bow

Water Absorption

Water absorption is the percentage of water a stone takes up after immersion—key for exterior and wet-area suitability. Reported on technical datasheets with test method.

water absorptionImbibition coefficientsu emme

Breaking Load

Breaking load is the maximum applied load causing specimen failure in strength tests. Technical datasheet property for structural design.

Breaking LoadKırılma YüküKırılma Yükü (N)

Frost Resistance

Frost resistance is the ability of stone to withstand freeze–thaw cycles—critical for exterior paving and cladding in cold climates. Datasheet property.

frost resistanceDona Karşı Dayanıklılıkfrost

Breakage

Breakage means breaks or cracks in stone material during handling, transport, or use. Quality/claims language on packing and insurance.

roturasroturarotas

Homogeneous Stone

Stone uniform in color, pattern, and appearance. It is a defect or QC term used when checking stone.

homojen

Open Porosity

Interconnected pore volume accessible to fluids, expressed as a percentage. It is a defect or QC term used when checking stone.

Açık Gözeneklilik

Porosity

Measured proportion of pores or void space in natural stone. It is a defect or QC term used when checking stone.

delik oranı

Rift

Rift is a preferred cleavage or splitting plane in stone, used when producing natural cleft faces. Technical cutting language.

rift

Exfoliation

Surface scaling or layer detachment caused by stone deterioration. Quality or defect language used in inspection and claims.

ExfoliationPullanma / EksfolyasyonPullanma

Spalling

Spalling is surface flaking, chipping, or fragment detachment on stone—often from freeze–thaw or impact. Defect/appearance risk language.

spallingspalled fragmentsspalled

How the trade says it

Surface forms by market language. English UI · multi-market names.

enEnglish market names

FAQ

About market forms in a country — answers in English.

What does "joint lines" mean in United Kingdom?en

"joint lines" is a English market form used in United Kingdom for Joint Lines. Visible seams where separately manufactured components meet. It is a defect or QC term used when checking stone.

GB · EN market form · ×1

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