The contractor glossary
738 words from the trades, defined in plain language for the people who do the work. Each one says where it matters on a job, quotes the code or agency rule where there is one, and links the Koira calculator, cost guide or template that goes with it.
Roofing
Architectural shingleAttic ventilationCollar tieCounter flashingCricketDormerDrip edgeDry-inEaveEPDM roofingFasciaFlashingGable roofGambrel roofHip roofIce barrierKick-out flashingMansard roofModified bitumenParapetPipe bootRafterRake edgeRidgeRidge boardRidge ventRoof deckingRoof leak repairRoof pitchRoof trussRoof underlaymentRoof valleyRoof-overRoofing squareScupperShed roofSkylightSoffitStarter stripStep flashingTear-offThree-tab shingleTPO roofing
All roofing terms with definitionsPlumbing
Air admittance valveAir gapAnode rodBackflow preventerBuilding drainBuilding sewerCleanoutCPVC pipeCross connectionDielectric unionDiverter valveDrain slopeExpansion tankFixture unitGalvanized pipeGas lineGPMHose bibbHydro jettingNPT threadP-trapPEX pipePipe dopePipe nipplePipe sizingPolybutylene pipePressure reducing valvePVC and ABS drain pipeSewage ejector pumpSewer camera inspectionShutoff valveSlab leakStub-outSump pumpT and P valveTailpieceTankless water heaterTee fittingUnion fittingVent stackWater hammerWater heater drain panWater pressureWet wallYard hydrant
All plumbing terms with definitionsHVAC
AFUEAir handlerBoilerBTUCFMCompressorCondensate lineCondenserDirect ventDuct boardDuct damperDuct sealingEEREPA Section 608 certificationERVEvaporator coilFlex ductHard start kitHeat exchangerHeat pumpHSPFHVAC maintenance planHVAC zoningHydronic heatingLine setLocking refrigerant capsMakeup airManual DManual JManual SMERV ratingMini-splitPlenumRefrigerantReturn airSEERShort cyclingStatic pressureSubcoolingSuperheatSupply registerTon of coolingTXVVAV box
All HVAC terms with definitionsElectrical
AFCI breakerAmpAmpacityAWGBondingBox fillBranch circuitCircuit breakerConduitConduit bodyConduit fillDedicated circuitDouble tapElectrical load calculationElectrical panelElectrical rough-inEV charger circuitFish tapeGFCI outletGround rodGround wireJunction boxKnockoutMain breakerMeter baseMud ringNeutral wireNM cableOpen circuitOvercurrentPhantom loadReceptacleService dropService entranceShort circuitSubpanelTamper-resistant receptacleThree-way switchTransfer switchVoltVoltage dropWattWire nut
All electrical terms with definitionsPainting
Back-rollingCutting inDrop clothElastomeric coatingLatex paintLead-safe work practicesOil-based paintOversprayPaint coveragePaint sheenPaint thinnerPrimerStain-blocking primerWood stain
All painting terms with definitionsLandscaping
CompactionDry creek bedFill dirtLandscape edgingLandscape fabricLot gradingMulchSilt fenceSoftscapeSwaleTopsoilXeriscape
All landscaping terms with definitionsCleaning
Deep cleaningDisinfect vs sanitizeDwell timeHigh-touch surfacesMicrofiberMove-out cleaningRecurring service
All cleaning terms with definitionsPressure Washing
All pressure washing terms with definitionsPest Control
ExclusionFumigationIntegrated pest managementPerimeter treatmentPesticide labelRe-entry intervalRestricted use pesticideRodent bait stationTermite bait station
All pest control terms with definitionsPool Service
BackwashCalcium hardnessCyanuric acidFiberglass poolFree chlorineGunite poolPool barrierPool leak detectionPool pHPool skimmerSalt chlorine generatorShock treatmentTotal alkalinityVariable speed pool pumpVinyl liner
All pool service terms with definitionsRemodeling
Aging in placeCurbless showerDesign-buildGrab bar blockingKitchen soffitPipe chaseSelective demolition
All remodeling terms with definitionsAuto Detailing
All auto detailing terms with definitionsTree Service
Cabling and bracingCertified arboristCrown raisingCrown thinningDBHDrop zoneRiggingStump grindingTree removalTree topping
All tree service terms with definitionsJunk Removal
All junk removal terms with definitionsWindow Cleaning
All window cleaning terms with definitionsWaterproofing
Crawl space encapsulationDampproofingEfflorescenceFoundation drainFrench drainHydrostatic pressureInterior drain tileWindow well
All waterproofing terms with definitionsConcrete
AdmixtureAggregateBagged concrete mixBase courseBroom finishBull floatCold jointConcrete curingConcrete PSIConcrete sealerControl jointCubic yardExpansion jointFlatworkFootingForm releaseFormworkFrost lineIsolation jointMonolithic slabPier and beam foundationRebarScreedSlumpStamped concreteUnder-slab vapor retarderWire mesh
All concrete terms with definitionsFlooring
AcclimationCarpet padEngineered hardwoodExpansion gapFloating floorFlooring underlaymentGlue-down flooringHardwood refinishingLuxury vinyl plankSelf-leveling compoundSubfloorTack stripTransition strip
All flooring terms with definitionsDrywall
BlueboardCorner beadDrywallDrywall finish levelsDrywall tapeGreenboardJoint compoundKnockdown textureLath and plasterMetal lathMold-resistant drywallNail popPopcorn ceilingResilient channelSkim coatSoundproofingType X drywall
All drywall terms with definitionsGutter
DownspoutGutter apronGutter cleaningGutter guardGutter hangerHalf-round gutterK-style gutterSeamless gutterSplash block
All gutter terms with definitionsGarage Door
Cable drumExtension springGarage door openerGarage door trackInsulated garage doorPhoto eyeSpring cycle ratingTorsion spring
All garage door terms with definitionsAppliance Repair
All appliance repair terms with definitionsSnow Removal
All snow removal terms with definitionsLocksmith
All locksmith terms with definitionsChimney
Chimney capChimney crownChimney damperChimney height ruleChimney linerCreosoteFireboxFlueHearth extensionSmoke chamberSpark arrestor
All chimney terms with definitionsSolar
Battery storageInterconnection agreementKilowatt-hourMicroinverterNet meteringPhotovoltaicRapid shutdownSolar inverterSolar racking
All solar terms with definitionsIrrigation
Drip irrigationHead-to-head coverageIrrigation zoneRain sensorRotor headSmart irrigation controllerSpray headSprinkler winterizationValve box
All irrigation terms with definitionsGeneral Contractor
AllowanceAs-built drawingsBuilding inspectionBuilding permitCertificate of occupancyChange orderContingencyCut sheetDead loadElevation drawingFloor planImpervious surfaceLead timeLive loadLoad-bearing wallNotice to proceedOwner-builderPlan setPoint loadPunch listQuantity takeoffRFIRough-inScope of workSetbackSite planStructural engineerSubmittalUtility easementZoning permit
All general contracting terms with definitionsSeptic
Aerobic treatment unitDistribution boxDrainfieldEffluent filterPercolation testSeptic baffleSeptic tankSludge and scum
All septic terms with definitionsCarpet Cleaning
All carpet cleaning terms with definitionsCommercial Cleaning
All commercial cleaning terms with definitionsLawn Care
Artificial turfCool-season grassCore aerationDethatchingLawn fertilizationMowing heightOverseedingPre-emergentScalpingSod
All lawn care terms with definitionsMasonry and Hardscape
Bond beamBrick veneerConcrete blockCrack fillingDry stackGeogridHardscapeLime mortarLintelMortarPaver patioPermeable paversPolymeric sandSealcoatingSegmental retaining wallShelf angleStone veneerTuckpointingWeep holesWythe
All masonry and hardscape terms with definitionsCarpentry
Anchor boltBalusterBaseboardBeamBoard footButt jointCeiling joistChamferCripple studCripple wallCrown moldingDoor casingFireblockingFloor joistFurring stripGirderGlulam beamHandrailHeaderI-joistJack studKerfKiln-dried lumberKing studLVL beamMillworkMiter jointNewel postNominal lumber sizeOSBPlatform framingPlywoodPressure-treated lumberQuarter roundRabbet jointRim joistScribingShiplapSill plateStair nosingStair rise and runStair stringerStudTongue and grooveTop plate
All carpentry terms with definitionsWindows and Doors
Awning windowBypass doorCasement windowDoor jambDoor thresholdDouble-hung windowEgressEgress windowGarage to house doorHollow core doorHopper windowInsert windowLow-E glassMullionMuntinNail finPrehung doorSHGCSill pan flashingWeatherstrippingWindow fall protectionWindow sill
All window and door terms with definitionsDecks
Composite deckingDeck guardDeck joistDeck postDeck stainingDeck stairsFlashing tapeHidden deck fastenersJoist hangerLedger board
All deck terms with definitionsTile
Back-butteringCement boardCrack isolation membraneGroutLarge format tileLippagePorcelain tileQuarry tileRadiant floor heatingShower panThinset mortarTile edge trimUncoupling membraneWaterproofing membrane
All tile terms with definitionsSiding
Board and battenCladdingFiber cement sidingHouse wrapJ-channelLap sidingRain screenStuccoVinyl sidingWeep screedZ-flashing
All siding terms with definitionsInsulation
Air barrierAir sealingAttic baffleBatt insulationBlower door testBlown-in attic insulationCellulose insulationContinuous insulationIce damKraft-faced insulationMineral woolR-valueRigid foam boardSpray foam insulationThermal bridgingU-factorVapor retarder
All insulation terms with definitionsRestoration
Air moverContainmentDehumidifierEquilibrium moisture contentInsurance supplementMoisture meterMold remediationWater mitigation
All restoration terms with definitionsAir Duct and Dryer Vent Cleaning
All duct and dryer vent cleaning terms with definitionsGlass and Glazing
Curtain wallFailed window sealFrameless shower doorGlazing beadInsulated glass unitLaminated glassSafety glazingSecurity glassStorefront glazingTempered glass
All glass terms with definitionsSecurity and Low Voltage
All security and low voltage terms with definitionsWater Treatment and Well
All water treatment terms with definitionsKitchen Hood Cleaning
All hood cleaning terms with definitionsProperty Maintenance
All property maintenance terms with definitionsHoliday Lighting
All holiday lighting terms with definitionsHome Inspection
Carbon monoxide alarmHome inspection reportPre-listing inspectionRadon testSmoke alarmWDO inspection
All home inspection terms with definitionsMoney and paperwork
Accounts payableAccounts receivableACH paymentAdditional insuredAIA billingAR aging reportBalance sheetBillable hoursBreak-even pointCard processing feeCash flowCertificate of insuranceChargebackConditional lien waiverConvenience feeCost of goods soldCost-plus contractCredit card surchargeDepositDraw scheduleDue on receiptEstimate vs quoteEstimated taxesFlat-rate pricingForm 1099-NECForm W-9General liability insuranceGood, better, best pricingIndependent contractorInvoice factoringJob costingLabor burdenLabor rateLate feeLien waiverLump sum contractMarkupMechanics lienNet 30Net profitNTEOverheadPayment bondPerformance bondPreliminary noticePrice bookProfit and loss statementProfit marginProgress billingReceiptRetainageSchedule of valuesSelf-employment taxService agreementSubcontractor agreementSurety bondTime and materialsUnconditional lien waiverUnit costW-2 employeeWIP reportWorkers compWorkmanship warranty
All contractor business terms with definitions