Wallcovering made from fibres of the hemp plant.Hod
Hod used for transporting bricks or mortar.
Hod Carrier a labour who physically carries bricks or mortar.
Hot Air Gun
An electric air gun used for the removal of old paint coatings.
This type is less likely to scorch/burn the surface. Ideal when translucent wood finishes are going to be applied.
Hydrochloric Acid
Hydrochloric Acid Acid is used to etch newly laid cementitious before painting.
It is also available to remove unwanted mortar splashes from bricks.
Hydrochloric acid and can also be applied 
as a rust remover.
See Phosphoric Acid.
It is inportantant that the all H&S and Product details are followed as stated on the manufactures data sheets before use.
Impervious
A paint system or surface which restricts the passage of moisture or moisture vapour through the paint film or surface
Institute of Corrosion (icorr)
The 'Institute of Corrosion' membership, is recognised as being the lead training body for those interested in becoming a Paint Inspector being one who monitors the application of Paint/Coating systems in the prevention of metal corrosion.