The Ontario Building Code | Resistance to Forced Entry for Doors

9.7.5.2. Resistance to Forced Entry for doors

(1) Except for exterior doors to garages and to other ancillary spaces, this Article applies to,

(a) swinging entrance doors to dwelling units,

(b) swinging doors between dwelling units and attached garages or other ancillary spaces, and

(c) swinging doors that provide access directly or indirectly from a storage garageto a dwelling unit.

(2) doors, frames and hardware that conform to a security level of at least Grade 10 as described in the Annex to ASTM F476, "Security of Swinging door Assemblies", are not required to conform to Sentences (3) to (7).

(3) Except as provided in Sentence (2), wood doors described in Sentence (1) shall,

(a) be solid core or stile-and-rail type,

(b) be not less than 45 mm thick, and

(c) if of the stile-and-rail panel type, have a panel thickness of not less than 19 mm, with a total panel area not more than half of the door area.

(4) Except as provided in Sentence (2), doors described in Sentence (1) shall be provided with,

(a) a deadbolt lock with a cylinder having no fewer than five pins, and

(b) a bolt throw not less than 25 mm long, protected with a solid or hardened free-turning ring or bevelled cylinder housing.

(5) Except as provided in Sentence (2), an inactive leaf in double doors used in locations specified in Sentence (1) shall be provided with heavy-duty bolts top and bottom having an engagement of not less than 15 mm.

(6) Except as provided in Sentence (2), hinges for doors described in Sentence (1) shall be fastened,

(a) to wood doors with wood screws not less than 25 mm long and to wood frames with wood screws such that at least two screws per hinge penetrate not less than 30 mm into solid wood, or

(b) to metal doors and metal frames with machine screws not smaller than No. 10 and not less than 10 mm long.

(7) Except as provided in Sentence (2), strikeplates for deadbolts described in Sentence (4) shall be fastened,

(a) to wood frames with wood screws that penetrate not less than 30 mm into solid wood, or

(b) to metal frames with machine screws not smaller than No. 8 and not less than 10 mm long.

(8) Except for storm doors or screen doors, doors described in Sentence (1) that swing outward shall be provided with hinges or pins so that the doors cannot be removed when they are in the closed position.

(9) Solid blocking shall be provided on both sides at the lock height between the jambs for doors described in Sentence (1) and the structural framing so that the jambs will resist spreading by force.